Pre Assessment Quadratic Unit Worksheet Page 11

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32 What function models the graph below?
____
2
2
A y = (x + 4)
+ 2
C y = (x − 4)
+ 2
2
2
B y = (x + 2)
+ 4
D y = (x − 4)
− 2
33 Use the second difference to determine which equation models the table below:
____
x
-3
-2
-1
0
1
2
3
4
y
28
12
0
-8
-12
-12
-8
0
(
) x + 1
(
)
(
) x − 1
(
)
A f(x) = x − 4
C f(x) = 2 x + 4
B f(x) = 4 x − 4
(
) x + 1
(
)
D f(x) = 2 x − 4
(
) x + 1
(
)
Page 11

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