The graph of any quadratic function always takes the shape of a __________.
parabola
100
Factor out the GCF:
14x^2 - 2x
2x(7x - 1)
100
What is the discriminant?
b squared minus 4ac
100
i = ___
square root of -1
100
A group of neighborhood kids must retrieve a priceless piece of sports memorabilia from a monstrous dog.
The Sandlot
200
You can tell whether a parabola opens up or down by whether the _________ __________ is positive or negative.
leading coefficient
200
Factor:
x^2 - 16
(x - 4)(x + 4)
200
If the discriminant is negative, the equation will have ___________ real solution(s).
no
200
i squared = ___
-1
200
Two outcast cops pose as high school kids to bust a drug ring.
21 Jump Street
300
The highest point of a parabola that opens down/the lowest point of a parabola that opens up.
vertex
300
Factor the GCF first, then factor using the difference of two squares:
4x^2 - 100
4(x - 5)(x + 5)
300
Solve by finding the square roots:
8x^2 - 13 = 59
plus or minus 3
300
Simplify using i:
the square root of -81
9i
300
An idiot must repeat grades K-12 to prove to his dad he can handle the family business.
Billy Madison
400
This formula will tell you the x-coordinate of a parabola's vertex.
-b/2a
400
Factor the factorable trinomial:
x^2 - 12x + 36
(x - 6)(x - 6)
400
What is the quadratic formula?
x equals negative b plus or minus the square root of b squared minus 4ac all over 2a
400
Simplify using i:
square root of -45
3i square root of 5
400
Two dopey pals must travel cross country to return a briefcase to one of the pals' beautiful crush.
Dumb and Dumber
500
Give the coordinates of the vertex of the following parabola:
y = x^2 + 6x + 9
(-3, 0)
500
Factor the factorable trinomial:
9x^2 - 30x + 25
(3x - 5)(3x - 5)
500
Solve by factoring:
x^2 + 4x + 3 = 0
-1, -3
500
i cubed = ___
negative square root of -1
500
A con man recruits his con man buddies to help him pull off a heist of 3 major casinos to seek revenge on the owner of the casinos, who is dating the con man's ex-wife.