Answers26MATH_Recovery_Alg1B22Quadratic Functions: Vertex Form

Quadratic Functions: Vertex Form Answers

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4

Which best describes the transformation from the graph of f(x) = x2 to the graph of f(x) = (x – 3)2 – 1?

A
left 3 units, down 1 unit
B
left 3 units, up 1 unit
C
right 3 units, down 1 unit
D
right 3 units, up 1 unit
5

⇒ 9

Answer:

80565

6

What is the equation of the translated function?

A
f(x) = (x – 1)2 – 5
B
f(x) = (x + 1)2 + 5
C
f(x) = (x – 5)2 – 1
D
f(x) = (x + 5)2 + 1
8

Which are characteristics of the graph of the function f(x) = (x + 1)2 + 2? Check all that apply.The domain is all real numbers. The range is all real numbers greater than or equal to 1.The y-intercept is 3.The graph of the function is 1 unit up and 2 units to the left from the graph of y = x2.The graph has two x-intercepts.

A
The domain is all real numbers.
B
The range is all real numbers greater than or equal to 1.
C
The y-intercept is 3.
D
The graph of the function is 1 unit up and 2 units to the left from the graph of y = x2.
E
The graph has two x-intercepts.
9

Justine graphs the function f(x) = (x – 7)2 – 1. On the same grid, she graphs the function g(x) = (x + 6)2 – 3. Which transformation will map f(x) on to g(x)?

A
left 13 units, down 2 units
B
right 13 units, down 2 units
C
left 13 units, up 2 units
D
right 13 units, up 2 units

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