Algebra

  1. 1.Write an equation in slope- intercept form of the line that passes through the given point and is parallel to the graph of the given equation.

    (2,-2);y=-x-2 A.y=-2x*** B.y=2x C.y=1/2x D.y=-x 2.Write an equation in slope- intercept form of the line that

  2. What is the ninth term of the arithmetic sequence defined by the rule

    A(n)=-14+(n-1)(2) A)232 B)230 C)2 D)4 Thanks

  3. Write the equation in slope-intercept form. What are the slop and y-intercept?

    -10x + 11y = -6 A. y = 10/11x-6/11 Slope: 6/11;y-intercept: -10/11 B. y = 10/11x-6/11 Slope:10/11;y-intercept: -6/11 C. y = 10/11x+6/11 Slope: 10/11;y-intercept: 6/11 D. y =

  4. Find an equation of variation in which y varies jointly as x and z, and y=4 when x=4 and z=1. Simplify

  5. A projectile is launched upward with a velocity of 128

    feet per second from the top of a 50- foot platform. What is the maximum height attained by the projectile?

  6. One copy machine can run off copies in 170 minutes. A newer machine can do the same job in 119 minutes. How long does it take the two​ machines, working​ together, to make all of the necessary​ copies?

  7. 1. you and a friend balls for like a salad and a small drink. between the two of you, you have $8.00. A salad costs $2.49 and a small drink is $0.99. Can either of you have a second salad or a drink? assume there is no sales tax.

    A.yes,one Salad B.yes,one

  8. Identify the mapping diagram that represents the given relation and determine whether the relation is a function.

    {(–3, –6), (–1, –6), (5, –6), (8, –6)} It won't let me update the pictures, but I think it might be a function, but I'm not 100%

  9. 1 a baseball collides with a basketball glove. which equation is used to calculate the force the glove exerts on the ball during the collision?

    a force = weight x acceleration b force = mass x velocity c force = mass x acceleration d force = weight x

  10. What is the quotient?

    [(x^2 -16) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)]

  11. Find all the zeros of the equation.

    -3x^4+27x^2+1200=0 I know the zeros are –5, 5, –4i, and 4i, but how do I get there?

  12. Which type of correlation is suggested by the scatter plot?

    A. Positive correlation B. Negative correlation C. Equal correlation D. No correlation It won't let me share the graph.

  13. Jacob weighs 64 pounds. Together, he and his sister weigh eight pounds more than two times the weight of his sister. What is the weight, w, of Jacob’s sister?

    Halp

  14. the table shows the height of a plant as it grows. which equation in point-slope form gives the plant's height at any time?

    Time)months) 2 4 6 8 Plant height (cm) 18 36 54 72 a.y+18=9(x+2) b.y-18=9x+2 c.y-18=9(x-2) d.the relationship is nonlinear

  15. Write a story or situation that can be represented by the given equation.

    4a + 5 = 12a - 11 I know I supposed to compare like terms, but how do I write it out???

  16. 1. What are the next two terms of the following sequence? 1, 5, 9...

    A. 27, 211 B. 10,11 C.12,15 D.13,17 2. Which of the following are examples of arithmetic sequences? Choose all that apply. A. -2,2,6,10 B. 1,3,9,27 C. 5,10,20,40 D. 5,1,-3,-7 3. What is

  17. Which graph represents the solution to the given system?

    y=-x+5 y=1/4x+10 Im rlly behind and need some help on the test .-.

  18. The function y = –0.296x^2 + 2.7x models the length x and height y that your sister's pet rabbit can jump, in centimeters. How high does the rabbit jump? One the rabbit reaches the ground what is the total length of the jump?

    I got 4.6 cm high, and 6.2 cm

  19. Check My answers Please-

    1. 3(y + 1) for y = 2 a.6 b.9*** c.7 d.8 2. d + g/h for d = 45, g = 18, and h = 9 a.6*** b.7 c.3 d.4 3.The cost in dollars of a class party is 59 + 13n, where n is the number of people attending. What is the cost for 44 people?

  20. What is a solution for-the inequality y>1.9?

    -9 -2 2 1.9 My answer is if it has to be greater then 1.9 the answer must be 2.0 from those 4 choices.

  21. What are the real and complex solutions of the polynomial equation?

    x^4 - 41x^2 = -400

  22. The pair of points (6, y) and (10, -1) lie on a line with slope 1/4. What is the value of y?

    A. -5 B. -2 C. 2 D. 5 I think its C but Im not sure, help?

  23. which of the following functions has a rate of change that stays the same??/

    A y= -4x + 10 B y= 1/2 x^2 C y= 3^x D y= x^2 + 2

  24. 4x + 4 = 9x – 36

    I need help on how to solve this

  25. Please Check My Anwsers

    What is the slope of the line in the graph show below? /content/media/390571-1122011-42500-PM-1076804072.png A) -2 B) -1 C) 1 (My Choice) D) 2 Find the slope of a line that passes through (–2, –3) and (1, 1) A) 1/3 B) 1 C) 2 (My

  26. 9.During the basketball season, Diane took 134 shots and made about 56% of them.

    a. How many shots did Diane make? b. The team made a total of 498 shots. What percent of the team’s made shots did Diane make? (1 point) 24 shots; 15.1% 753 shots; 27% 240

  27. Use synthetic division to find P(-3) for P(X)= x^4 - 2x^3 - 4x + 4

    So I know how to do synthetic division and all, but I'm still somehow not coming up with the correct answer! Below is my work so far. Please help me interpret it so that I can get the

  28. The table shows the relationship between the number of players on a team and the minutes each player gets to play

    Players Minutes 7 35 8 30 9 25 10 20 Is the relationship a function that is decreasing or increasing; is the relationship a functions that is

  29. which equation represents the relationship shown in the table below?

    x | 0 | 1 | 2 | 3 | __________________ y | -3 | -1 | 1 | 3 | a.) y = -x - 3 b.) y = x - 3 c.) y = 2x - 3 d.) y = -2x + 3

  30. I need help please.

    9.The owner of a computer store received a shipment of computers at cost of $319.85 each. If he sells the computes for $412.99 each, what is the percent of markup? Round to the nearest whole percent. 23% 29% 77% ****??? 79%

  31. the correlation coefficient of a data set is -0.833 can I be confident that my predicted value will be close to the actual value? Why or why not?

  32. Lesson 8: Applications of Proportions Unit Test CE 2015

    Algebra Readiness (Pre-Algebra) A Unit 5: Applications of Proportions WHAT ARE THE ANSWERS!?! PLEASE HELP

  33. The right arrow symbol used to show the transition from a point to its image after a transformation is not contained within the Equation Editor. If such a symbol is needed, type "RightArrow." For example: P(0, 0) RightArrow P′(1, 2).

    Triangle ABC has

  34. Joe wants to fence a rectangular pen for his goats the length of the pen should be at least 60 ft. and the distance around should be no more than 260 ft. which system of inequalities and graph represent the possible dimensions of the pen?

    I truly need help

  35. Tell which measure of central tendency best describes the data.

    Time spent on the internet (min/day): 75, 38, 43, 120, 65, 48, 52 Mean Median Mode I need help on this one ^^^ Tell which measure of central tendency best describes the data. Weight of books

  36. Write the decimal .041 as a percent.

  37. Which is the solution of the equation y=5x+3 ?

    A. (5,28) B. (28,5) C. (4,20) D. (3,19) I think its D someone, please help Thank you!!

  38. A 12 foot ladder leans against the side of a house the bottom of the ladder is 8 feet from the side of the house how high is the top of the ladder from the ground

  39. Sarah's mother has a miniature village modeled after her home town. The model is 10 feet long and 7 feet wide. The actual village is 7 miles long. What is the village's actual width? I just want to know if I should convert the feet to miles at one point.

  40. Bananas are on sale for $0.40 a pound, and you have a coupon for $0.25 off your total purchase. Write a function rule for the cost of n pounds. How much would 30 pounds of bananas cost?

    A) C(n)=0.25n-0.40;$7.10 B) C(n)=0.4n-0.4;$11.60 C)

  41. A student spends more than 2 hours on his math and English homework. if Matt takes about twice as long as English what is the maximum time that the student can spend on English

    A. 1/3 B.1/2 C.1 D.2/3 I think its b please help!!

  42. 1.Identify the domain and range of the following relation.

    {(3,7),(3,8),(3,-2),(3,4),(3,1)} A.Domain:{3} Range:{-2,1,4,7,8}**** B.Domain:{-2,1,4,7,8} Range:{3} C.Domain:{all real numbers} Range:{all real numbers} D.Domain:O/ Range:O/ 2.Determain whether the

  43. On the first part of a trip to Carmel traveling on the​ freeway, Marge averaged 70 mph. On the rest of the​ trip, which was 25 mi longer than the first​ part, she averaged 60mph. Find the total distance to Carmel if the second part of the trip took

  44. Walking Speed

    The avg. walking speed R of a person living in a city of population P in thousands is modeled by the function R(P)=0.37 times ln P + 0.05. where R is in feet per second. The populatin of Boston is 532,000, find the average walking speed of

  45. A student scores 83 and 91 on her first 2 tests. Write and solve a compound inequality to find the possible values for a 3rd test score that would giver her an average between 85 and 90 inclusive.

    I know she has to score between 81 & 96 but I'm not sure how

  46. CHECK MY ANSWER PLEASE!?

    6. Based upon the 2010 census data, the total population of the us is 308,745,538 people. Approximately, what is this population in scientific notation? A. 3.1 x 10^8** B. 3.1 x 10^7 C. 3.1 x 10^-8 D. 31 x 10^7 7. What is the

  47. Which quadratic equation has roots -1+4i and -1-4i ?

    A. x^2+2x+2=0 B. 2x^2+x+17=0 C. x^2+2x+17=0 D. 2x^2+x+2=0 I'm having difficulty with this question, but I've settled on C for now. Am I correct?

  48. graph the system of constraints find the values of x and y that maximize the objective function

    x+y<8 2x+y<_10 x>_0 Y>_0

  49. What is the algebraic expression for the following word phrase: the product of 4 more than x and 6?

    the answers are between --A.-- 6(x+4) --B.-- 4(x+6)

  50. equations and inequalities unit test

    for questions 1-5, solve the equation 4. 3(4-2x)=-2x (1 point) a. -1*** b. 1 c. 2 d. 3 5. 5.4+0.2x=-1.4x+8.6 a. 2 b. -2 c. .2*** d. 20 For questions 6-7, simplify the expression 6. -4 - 5(x+8) a.-5x - 44 b.-5x + 36***

  51. 1. –9x – 5 = –95

    a) 17 b) 11 c) 10 d) –10 2. x/4 – 5 = –8 a) –27 b) –12 c) –7 d) 12 3. x/5 + 6 = 10 a) 44 b) 30 c) 20 d) –20 4. –2(m – 30) = –6m a) –15 b) –13 c) –8 d) 8 5. 3.75x + 3.7 = 1.7 + 1.75x a) 10 b) –1 c) 1 d) .1

  52. Find the final balance in an account with $660 invested at 3.5% annual simple interest for five years.

    A. $23.10 B. $115.50 C. $683.10 D. $775.50 My answer is $775.50, but if it's wrong can you explain to me why it is?

  53. 1. for the data in the table, does y vary directly with x? if it does write an equation for the direct variation.

    10 | 12 15 | 18 20 | 24 A. yes; y = 1.2x B. yes; y = 2x C. yes; y = x + 1 D. no; y does not vary directly with x 2. For the data in the table,

  54. What type of equation will best fit the data below?

    Linear Quadratic Exponential (I have a picture of a graph is there a way I can show it too get help?)

  55. graph the function and identify the domain and range y=-4x^2

  56. The scale of a map is 1 inch = 30 miles. How many actual miles does 5.25 inches represent?

    A) 157.5 Miles B) 175 Miles C) 1,575 Miles D) 1,750 Miles Please help me someone!

  57. Find the area of the irregular figure (use 3.14 for pi). SHow your work. Round to the nearest tenth.

    Triangle with a semi-circle on it. The triangles height is 4.8ft and the circle's diameter is 3.6ft. Every time I do my work I keep getting 12.3 and I have

  58. What is the median of the data set below? Round to the nearest whole number?

    Test scores: 77, 92, 84, 97,72,88,77 A)77 B)83.9 C)84**** D)88 Please just check my work

  59. I need to find the volume of a cylinder. Use 3.14 for pi...I think the answer is 24,501.42 m^2...the picture shown is a cylinder with a diameter of 34m and a heigth of 27m

    I know how to work these problems out and I got 24,501.42m^2 but the computer is

  60. Which expression uses the commutative property of addition and the associative property of multiplication to rewrite the expression (3⋅2)⋅5+7

  61. To Which subset of real numbers does the number 1/5 belong?

    A irrational numbers B rational numbers c whole numbers, integers, rational number***** d whole numbers, natural numbers, integers

  62. The perimeter of the rectangle below is

    74 units. Find the length of side AB . Write your answer without variables. DC (top) 4z-1 CB (right side) 3z+3 AB (bottom) unknown

  63. Write y=1/6x+4 in standard form using integers.

    Help?

  64. Is(0,3) a solution to the equation y=x+3

    A. Yes B. No*** Is (1,4) a solution to the equation y= -2x A. Yes*** B. No Look at the following points (4,0) (3,1) (6,3) (2,-4) Which are the solutions to y= x-4? Choose all the correct answers A.(6,3) B.(4,0)***

  65. Can someone check my work?

    (5)/(c-5)+(9)/(c-5) The answer i got was 14/(c-5)

  66. Pls help me with these problem solving sums

    ----------------------------------------- 1)You are building a rectangular brick patio surrounded by crushed stone in a rectangular courtyard.The crushed stone border has a uniform width x (in feet) you have

  67. S is the set of real numbers that are less than 15

    A) 0 < s < 15 B) {s/s < 15} C) {s/s <_ 15}** D) {s/s <_ 15} I think it's c, but I'm not sure, I'm sorry, I'm really bad at this.. Any help would be greatly appreciated!!

  68. 1. Which best describes your ability to work with exponents?

    2. Which best describes your participation in discussions about math problems or topics? 3. Which of these skills do you think you could teach someone else? Select all that apply. 4. Which of

  69. Need a formula; the product of two consecutive integers is 41 more than their sum. Find the integers.

  70. A squash patch currently has 120 lbs of butternut squash. For each additional day in the patch, the amount of butternut squash increases by 6 lbs. If the price of butternut squash is currently 80 cents per pound, but it decreases by 2 cents each day, how

  71. In 8 months, 55.6 gallons were used. Find the unit rate.

    Is the answer 6.95

  72. david makes and sells chairs. The function p(x)=-10x^2+100x-210, graphed below, indicated how much profit he makes in a month if he sells the chairs for 10-x dollars each. what should david charge per chair to make the maximum profit, and what is the

  73. 1. The bill at the restaurant is 58.50, and Mrs. Johnson wants to leave a 15% tip. Approximately how much money should she leave?

    A. about $15.00 B. about $9.00 •• C. about $6.00 D. about $11.00 2. What percent of 50 is 12.5? A. 4% B. 25% •• C. 40%

  74. 1. Graph the function and identify the domain and range. y=-5x^2 oo=infinite

    A) Domain: (-oo, oo) Range: [0, oo) B) Domain: (-oo, oo) Range: (-oo, 0] C) Domain: (-oo, oo) Range: (-oo, 0] D) Domain: (-oo, oo) Range: [0, oo) 2. How is the graph of y=-6x^2-4

  75. For questions 1-5 solve the equation.

    1.-2v-7=23 (A)15 (B)8 ★ (C)-8 (D)-15 2. X/3-10=-12 (A)-6 (B)-66 (C)6 (D)66★ 3. d/3+10=7 (A)51 (B)20 ★ (C)0 (D)-9 4. 2(2-2x)=-3x (A)-4 (B)4 ★ (C)6 (D)0 5. 2.9n+1.7=3.5+2.3n (A)3 (B)-3 (C).3 (D)1 For questions

  76. What inequality represents the verbal expression all real numbers less then 69?

    My answer is x<69

  77. During a softball game, a batter hits a ball upward from an initial height of 3 feet. The height, in feet, of the softball is given by s(t)=−16t^2+70t+3 , where t is time in seconds and . Which is closest to the time when the softball will be 50 feet

  78. Bamboo plants grow rapidly. A bamboo plant is 130 inches tall. Tomorrow it will be 143 inches tall, the next day it will be 156 inches tall, and on the next day it will be 169 inches tall. Write a rule to represent the height of the bamboo plant as an

  79. Jesse Played two days of golf. On the second day, he got a score of six bellow par, or -6. His total score for the two days was o above par, or 0. Define a variable. Then write and solve an equation to find the score Jesse got on the first day. Show your

  80. 1. Which property is illustrated by the statement?

    (3 + 2.8) + 5 = 3 + (2.8 + 5)

  81. Buses on your route run every 13 minutes from 7:00 a.m. you arrive at the bus stop at 8:46 a.m. How long will you wait for your next bus ?

    a 2 minutes b 6 minutes c 7 minutes d 11 minutes *** What is the domain of the function {(–1, 1), (0, 0), (1, 2)}? a

  82. please check my answers.

    2: how is the graph of y=-6x^2+4 different from the graph of y=6x^2 A: it is shifted 4 units to the left B: it is shifted 4 units to the right C: it is shifted 4 units up**** D:it is shifted 4 units down 3: A model rocket is

  83. The force needed to keep a car from skidding on a curve varies inversely as the radius of the curve and jointly as the weight of the car and the square of the car's speed.Suppose that 400 pounds of force keeps a 1600-pound car from skidding on a curve of

  84. Solve. 9 - c < 2 or -3c > 15.

    I think it's -c < 7 and -c < -5 . Would you the two arrows facing each other?

  85. 1.Mary is selling her craft to earn money she sells her bracelets for $6 and her necklaces for $10 her goal is to make at least $120 in sales which of the following represents three possible solutions to the problem

    A.6x+10y<120 (5,10),(10,5),and(15,0)are

  86. Choose the correct solution and graph for the inequality.

    x-3≤-12 A. x≤-15 B. x≤-4 C. x≤15 D. x≤-9 Sorry, it wouldn't let me put the graphs on here. But does anyone have the answer?! I really don't mean to be impatient but, it's a timed test!

  87. Which statement about the product is true?

    5.5 Square Root 5 A)The product is rational. B)The product is irrational. C)The product is neither rational nor irrational. D)There is not enough information provided to answer the question. My Choice is B.

  88. how many real number solutions does this equation have? -7x^2+6x+3=0

    How many real number solutions does the equation have? 0=3x^2+18x+27

  89. A science teacher has a supply of 5% hydrochloric acid and a supply of 65% hydrochloric acid (HCl). How much of each solution should the teacher mix together to get 42 mL of 45% HCl for an experiment?

    a. The teacher will need 14 mL of the 5% solution and 28

  90. 1. Find the surface area for the given prism. ( 1 point )

    - 7,154 ft^2 2,624 ft^2 9,778 ft^2 8,432 ft^2 I don't want the answers to the whole test, I been trying to maintain good grades but I haven't been learning anything. Any time I try to do the problem

  91. In a right triangle the length of a hypotenuse is c and the length of one leg is a. Find the length of the other leg b, if:

    c=5, a=3;

  92. Participants in a study of a new medication received either medication A or a placebo. Find P(placebo and improvement). You may find it helpful to make a tree diagram of the problem on a separate piece of paper.

    Of all those who participated in the study,

  93. Linear Functions Unit Portfolio

    Directions: Complete each of the tasks outlined below. Cab companies often charge a flat fee for picking someone up and then charge an additional fee per mile driven. Pick a U.S. city and research the rates of two different

  94. Write an equation for the translation of y = |x|. 2 units down.

    A. y = |x| + 2 B. y = |x| – 2 C. y = |x – 2| D. y = |–2x|

  95. A science teacher has a supply of 20% saline solution and a supply of 50% saline solution. How much of each solution should the teacher mix together to get 60 mL of 28% saline solution for an experiment?

    I have an idea of what to do but need some help.

  96. Following the birth of a​ child, a parent wants to make an initial investment P 0 that will grow to ​$70,000 for the​ child's education at age 19. Interest is compounded continuously at 6​%.

    What should the initial investment​ be? Such an amount

  97. divide -3x^3-4x^2+4x+3 by x-2

  98. A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = –0.06x² + 9.6x + 5.4 where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters,

  99. 6. List of all the Quadrilaterals with exactly one pair of Parallel sides.

    A. Parallelogram; Trapezoid B. Rhombus; Parallelogram; Rectangle C. trapezoid D Rhombus; Square; Rectangle I wanna say its B but I'm not sure :/ I haven't really got a 100%

  100. Lesson 10: Quadratic Functions and Equations Unit Test answers please! I need the right ones