Quadratic Functions Review Worksheets With Answer Key Page 2
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14Name: ________________________
ID: A
____
4. Which function is not quadratic?
Ê
ˆ
Á Á
˜ ˜
1
f x ( ) = (6x + 9)
x − 9
f x ( ) = 7x
+ 8
2
Á Á
˜ ˜
A
C
Á Á
˜ ˜
9
Ë
¯
f x ( ) = x(x − 9)(6x + 8)
f x ( ) = 6(x − 9)
2
B
D
____
5. Identify the characteristics of this graph.
A
vertex: (–2, –5)
C
vertex: (–2, –5)
axis of symmetry: x = −2
axis of symmetry: x = −2
y-intercept: 10.5
y-intercept: 10.5
x-intercepts: –3 and –7
x-intercepts: –3 and –7
opens downward
opens upward
B
vertex: (–5, –2)
D
vertex: (–5, –2)
axis of symmetry: x = −5
axis of symmetry: x = −2
y-intercept: 10.5
y-intercept: 10.5
x-intercepts: –3 and –7
x-intercepts: 3 and 7
opens upward
opens downward
2
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