Factoring
Factor x2+6x+8
(x+2)(x+4)
What does the term "zeros" refer to?
Solutions or x-intercepts
Find the product (x+3)(2x-7)
2x2-x-21
Given that the value of a=3 and the vertex is (3, -7), write the equation of the parabola in vertex form
y=3(x-3)2-7
What is the y-intercept of the quadratic function
f(x)=x2-16x-20
y-intercept= -20
What is the factored form of 6x+60?
6(x+10)
Find the zeros of f(x)=x2+3x-10
x=2, -5
Perform the given operation
(3x-1)(4x2-2x+5)
12x3-10x2+17x-5
The parent function f(x)=x2 was transformed to g(x) by performing a vertical stretch by 5 and a shift left by 1.
Which function shows an accurate function for g(x)?
a. g(x)=5x2+1
b. g(x)=5(x+1)2
c. g(x)=(x+1)2+5
d. g(x)=-5(x+1)2
b.
What is the negative zero of y=-3x2-x+10
x= -2
Factor 6x2-x-7
(x+1)(6x-7)
Solve 2x2-3x-20
x= 4, -5/2
Simplify
3x2+18x-60
3
x2+6x-20
Write the equation of a quadratic with the following information:
x= 1, 5
point (4, -3)
y= x2-6x+5
What is the vertex of f(x)=3x2+5x-4
(-0.5, -4.75) or (-1/2, -19/4)
(8x-3y)(8x+3y)
What are the roots of (x+4)2=36?
x= -10, 2
(2x-5)2
4x2-20x+25
Write the quadratic equation that has a vertex of (-3,6) and another point of (-2, 8)
y=2(x+3)2+6
What is the axis of symmetry of the function
f(x)=4(x-9)2+5
x=9
6x2-26x-20 can be written as 2(3x+2)(x+k). What is the value of k?
k= -5
Find the zeros of 15x2+30= -27x
No solution
Find the quotient and remainder:
(2x2+7x-4)/(x-3)
2x+13+35/x-3
Given a quadratic function in the form of
f(x)= -2(x-3)2+7, rewrite the quadratic in standard form.
f(x)= -2x2+12x-11
A ball is thrown h feet into the air and its height is modeled over t seconds. That data is in the table below:
t | h
1 | 6
2 | 9
3 | 11
4 | 10
5 | 8
f(x)= -0.92x2+6.07x+0.8