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Quadratic Equations
Page 2
Questions (6,358)
12. Explain how the factored form of a quadratic equation, Y=a ( X−S )( X− T), can be used to calculate the value of the
2 answers
asked by
hala aly
121 views
Factor:
81a^2+5b^2
5 answers
asked by
help
1,354 views
31. Solve the equation by completing the square. Round to the nearest hundredth if necessary.
x2 – 6x = –8
5 answers
asked by
Tina
2,465 views
If zeros of p(x)=2x2-7x+k are reciprocals of each other,then find the value of me
4 answers
asked by
Anonymous
5,404 views
The teacher has written an equation of the form $p(x) = 0$ on the board, where $p(x)$ is a quadratic, but Heather can't read the
4 answers
asked by
Lilly
588 views
The vertex of a parabola is(-2,-4). One x-intercept is 7. What is the other x-intercept?
4 answers
asked by
becca
2,172 views
-3x^2+12y^=84
What are the domain and range My answer domain: all real numbers range: y (less than -) -sqrt7 or sqrt7
5 answers
asked by
Steve
960 views
if the roots of ax^2+bx+c=0 are real, rational, and equal, what is true about the graph of y= ax^2+bx+c?
1.) it intersects the
5 answers
asked by
Anonymous
2,783 views
What is the minimum possible value for y=x^2+12x+5? I am not sure where to even start. Thank you!
5 answers
asked by
Trish Goal
1,245 views
the Ruby Snow Company makes custom snowboards. the company's profit can be modelled with the relation y=6x^2+42x-60,where x is
3 answers
asked by
Anonymous
1,488 views
determine the x-intercept of the quadratic function
f(x)= 2x^2+ x-15
3 answers
asked by
kathy
841 views
The highest dive in the Olympic Games is from a 10-meter platform. The height "h" is in meters of a diver "t" seconds after
4 answers
asked by
Conder
1,061 views
Solve the quadratic equation ax2+bx+c=0 using the completing the squares
2 answers
asked by
salz
710 views
Zech tossed a water balloon into the air from the top of his shed in the backyard. Use GeoGebra to graph the situation using the
3 answers
asked by
Blue Berry
135 views
Which of the following scenarios would use a quadratic equation to solve? Responses A child places a quarter into a piggy bank
1 answer
asked by
kat
39 views
w^2 + 16w + 64
1 answer
asked anonymously
29 views
What are the coordinates of the vertex of this graph? Is it a maximum or a minimum?
(1 point) Responses (0,3), Max (0,3), Max
1 answer
asked anonymously
35 views
Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
x2 – 6 = x(1 point) Responses x
1 answer
asked anonymously
9 views
The graph is Quadratic #1. The equation is Quadratic #2.
Compare the characteristics of these two quadratics. Select all
1 answer
asked anonymously
19 views
Let f(x) = −x2 + ax + b.
Determine the constants a and b such that f has a relative maximum at x = 2 and the relative maximum
5 answers
asked by
Jacob
4,875 views
Explain what each of the following represents, and how equations (a) and (b) are equivalent.
(a) y = a(x - h)2 + k, a ≠ 0 (b)
4 answers
asked by
Anonymous
1,285 views
Suppose you are a solving a quadratic equation using the quadratic formula and this is your work so far:
2x^2+7x-15=0
4 answers
asked anonymously
99 views
A pizza maker determined an annual profit in dollars from selling pizzas using f(n)=65n-0.04n^2 where n is the number of pizzas
2 answers
asked anonymously
170 views
What is the minimum value of $y$ if $y=3x^2+6x+9?$
5 answers
asked by
Charles
2,025 views
For what values of k does the function f(x)=(k+1)x^2+2kx+k-1 have no zeros? One zero? Two zeros?
7 answers
asked by
Emily
3,756 views
Prove that the roots of the equation kx^2+(2k+4)x+8=0 are real for all values of k.
5 answers
asked by
Euler
1,631 views
For what values of k will the functon f(x)=kx^2-4x+k have no zeros
Determine the values of k for which the function
4 answers
asked by
Farrah
4,086 views
form the quadratic equations whose roots are(A:5 and -1/3
5 answers
asked by
pressly.
893 views
Solve 2x^2-12+4=0 by completing the square, expressing the result in simplest radical form.
4 answers
asked by
William
2,054 views
The height h (in meters) of a cannonball t seconds after it is fired into the air is given by
h=-4t^2+16t+9. a) What is the
4 answers
asked by
Josh
2,545 views
A ball is thrown from an initial height of 1 meter with an initial upward velocity of 9 m/s. The ball's height h (in meters)
4 answers
asked by
Lucie
3,826 views
Find the number of units that produces maximum revenue given by
R = 900x-0.1x^2, where R is the total revenue in dollars and x is
5 answers
asked by
Amy
5,075 views
Solve the equation by completing the square.
x^2-12x+35=0
4 answers
asked by
RSM HELP PLS
718 views
If the zero of the polynomial x2 + px +q and double of the zero of 2x2 - 5x-3 respectively find values of p and q?
7 answers
asked by
kamaraj
7,221 views
find a and b so that f(x)=x^2+ax+b has a local min at (6,-5)
i found the derivative: f'=2x+a then i found a 0=2x+a 0=2(6)+a
4 answers
asked by
kate
1,536 views
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
7 answers
asked by
Samantha
6,853 views
If y=3x-7, x is greater than 0, what is the minimum product of x^2y?
A. -5.646 B. 0 C. 1.556 D. 2.813 E. 4.841
4 answers
asked by
Anonymous
1,201 views
The number of vinyl album sales (in millions) in a country x years after 2010 can be modeled by y=0.12x2+0.3x+3.3 for 2010
4 answers
asked by
anonymous person
2,348 views
Write in standard form:
-2y^2+x-4y+1=0
7 answers
asked by
Tom
996 views
The quadratic equation x2 −2kx+(k−1) = 0 has roots a and b such that a2 +b2 = 4. Without solving the equation, find the
4 answers
asked by
Marie
556 views
The roots of
x^2 + 5x + 3 = 0 are p and q, and the roots of x^2 + bx + c = 0 are p^2 and q^2. Find b + c.
5 answers
asked by
Praveen
950 views
write the vertex form equation of each parabola.
1) Vertex:(-5,8), Focus:(-21/4, 8) 2) Vertex:(-6,-9), Directrix: x= 47/8
5 answers
asked by
Alexander
1,945 views
A quadratic curve passes through the points (-2,0)and(1,0).Find the equation of the curve in the form ax^2+bx+c,where a,b and c
4 answers
asked by
Lucciana
812 views
A football is punted. Its height, H metres is given by the quadratic relation with equation: H = -5t2 + 21t, where t is the time
4 answers
asked by
Fred
1,224 views
The cost C(in dollars) of producing x widgets is represented by c=4.5x squared how many widgets are produced if the cost is
4 answers
asked by
Cammie
680 views
The UV index on a sunny day can be modeled by the function f(x)=-0.15(x-13)^2+7.6 where x represents the time of day on a 24-h
3 answers
asked by
Alex
2,605 views
suppose you have 54 feet of fencing to enclose a rectangle dog pen . the function a= 27x- x^2 , where x = width , gives you the
4 answers
asked by
Anonymous
1,800 views
the graph of the function
f(x)=x^2-kx+k+8 touches the x-axis at one point. What are the possible values of k
3 answers
asked by
Ariel
834 views
The predicted revenue trend for a popcorn stand at a fair, as the price of a container of popcorn changes is shown in the table.
3 answers
asked by
Alparslan
134 views
if alpha and bita are the zeroes of ax^2+bx+c then evaluate alpha^4+bita^4
4 answers
asked by
keshav
1,379 views
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