Factoring & zeros (a=1)
Factor
x^2-25
(x-5)(x+5)
Factor 8x-10
2(4x-5)
Simplify
sqrt100 * sqrt169
130
Does the parabola open up or down?
y=5x^2-14
Edward Cullen is a vampire in what movie?
Twilight
Factor
16x^2-100
(4x-10)(4x+10)
Find the zeros.
y=2(2x-5)(3x-1)
x=5/2 and x=1/3
Simplify all the way (give answer as a fraction)
sqrt(81/36)
3/2
What are the x-intercepts of the function?
y=-2(x-5)(x+3)
5 and -3
What is the only mammal that can fly?
A bat
Find the zeros.
0=(x-2)(x-10)
x=2 and x=10
Factor
2x^2+3x-14
(x-2)(2x+7)
Simplify
3sqrt144
36
What is the axis of symmetry of the function?
y=3x^2+6x-9
x=-1
What U.S. city is known as the “Witchcraft Capital?”
Salem, Massachusetts
Factor
x^2+10x+21
(x+3)(x+7)
Factor
3x^2+26x-40
(3x-4)(x+10)
Simplify
2sqrt91
Does not simplify
What is the y-intercept of the function?
y=-3x(x-5)
(0,0)
On average, how many seeds are in a pumpkin?
500
List the zeros.
0=x^2-7x+10
x=2 and x=5
Find the zeros.
y=2x^2-3x-9
x= -3/2 and x=3
Simplify
sqrt(675)
15sqrt3
What is the vertex of the function
y=2x^2-8x-10
(2, -18)
What is the name of the villain in the movie “The Nightmare Before Christmas”?
Oogie Boogie