Unit 7 Math Test Review Page 3
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68. Determine the zeros, if possible, of each function by factoring. You must show your work!! Check your
answer by graphing on calculator.
2
a. �� ( �� ) = 5��
+ 12�� + 7
1
5
2
b.
f x
( )
x
x
2
2
9.
2
a. �� ( �� ) = −3 ( �� + 8 )
− 32
2
b.
Change to vertex form.
f x
( )
3
x
18
x
6
Give:
vertex_________,
axis of symmetry equation _______
where function increasing ________
where function decreasing________
Domain_____________
Range ______________
Explain the vertical stretch:
10.
b. m ∠CED = 32°,
c. Given XY = 5 cm, find all other
1
sin
a. Given:
,
Find the measure of arc CD.
side lengths.
2
Find the measure of arc CED.
y
find
0
270
60
45
x
z
w
Calculator Allowed
11. Simplify. You must show your work.
2
3
2
2
2
a. 3��
�� ( 4��
− 2�� )
b. ( −5��
�� ) + ( 15��
�� − 6���� )
c. 1 − (2�� + 5��)
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