AnswersOC27 MATH COLL ALGEBRA-1200710-S1-YACKELLinear Functions

Linear Functions Answers

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1
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Select all of the following that are quadratic functions.

A
x = 3y2 – 6y + 5
B
y + 3 = –2 x 2+ 5
C
y = 2 x 2 – 8 x + 6
D
y= –7 x – 4
E
y – 3 x = 4 x 3 – x2 + 9
F
y = 5 x(x + 9) – 8
G
y – 2 x 2 = 3 x – 2 x 2 + 4
3
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y = –3x2 – 12Axis of symmetry:

A
= 12
B
y = –12
C
y= –3
D
x = 0
4

Axis of symmetry:

A
= –2
B
= –1
C
x = 1
D
= 2
7

The vertex is at a

A
minimum
B
maximum

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