# 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 =

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?

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.

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

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

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%

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

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!!

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)

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

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

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?)

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

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

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

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

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

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

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

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

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%