Solve by factoring (1)
p2 +2p - 3 = 0
1, -3
4x2 =100
x= 5 or x = -5
x2-4=0
{2, -2}
The value of "a" for a graph of a quadratic function opening downward.
What is negative?
The "b" of the quadratic function y=2x2 + 5
What is zero?
n2 - 15n +36=0
12, 3
(4x + 1)2 - 16 = 0
x = 3/4 or x = -5/4
x2 − 36x=0
{0, 36}
The vertex of the quadratic function y = 5x2 + 10x - 2 is a ____________________ point.
What is minimum?
The "a", "b" and "c" of the quadratic function
y= 1 - 2x2 + 3x
What is a=-2, b=3 and c=1?
r2 -2r =35
7, -5
34 = (a - 2)2 - 2
a = 8 or a = -4
2x2-50=0
{5, −5}
Order the following quadratic functions from narrowest to widest:
y=4x2 y=-12x2 y=11x2 y=-2x2
What is y=-12x2, y=11x2, y=4x2, y=-2x2?
The coordinates of the y-intercept for the quadratic function y=3x2 + 2x
What is (0,0)?
3v2 + 9v -54=0
3, -6
0 = 3(x + 7)2 - 24
x = -7 + 2 square root of 2
or
x = -7 - 2 square root of 2
5x2 -7x=0
{0, 7/5}
Order the following quadratic functions from widest to narrowest:
y=4x2 y=2/3 x2 y=-2x2 y=-2/5 x2
What is y=-2/5 x2, y=2/3 x2, y=-2x2, y=4x2
Find the axis of symmetry for the quadratic function y=2x2 + 6x + 4.
What is x = -3/2?
2x2+5x+2=0
-1/2, -1
No solution
If a quadratic function has a root at (-3,0) and a maximum at (2,5), then what is the other root?
What is x=7?
If the axis of symmetry is x = 1/2 for the quadratic function y=2x2 - 2x + 3, the coordinates of the vertex is ____________________.
What is (1/2, 5/2)?