Answers26MATH_Recovery_Alg1B22Quadratic Functions: Vertex Form

Quadratic Functions: Vertex Form Answers

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The function f(x) = –0.3(x – 5)2 + 5 is graphed. What are some of its key features? Check all that apply.

A
The axis of symmetry is x = 5.
B
The domain is {x| x is a real number}.
C
The function is increasing over (–∞, 5).
D
The minimum is (5, 5).
E
The range is {y| y ≥ 5}.
2
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Negative values of k shift the graph .

A
down
B
left
C
right
D
up
3

Positive values of k shift the graph .

A
down
B
left
C
right
D
up
4

Which graph could represent the function f(x) = (x + 3.8)2 – 2.7?

A
Option
B
Option
C
Option
D
Option

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