Quadratic Functions: Factored Form

Question 1

Which point is an x-intercept of the quadratic function f(x) = (x – 4)(x + 2)?

Revolt · Accepted Answer

(–2, 0)

Question 2

Question 3

Revolt · Accepted Answer

when x > –1

Question 3

Question 4

Revolt · Accepted Answer

all real numbers

Question 4

Question 5

Revolt · Accepted Answer

all numbers less than or equal to 0

Question 5

The graph of the function f(x) = (x + 6)(x + 2) is shown. Which statements describe the graph? Check all that apply.

Revolt · Accepted Answer

The axis of symmetry is x = –4.; The domain is all real numbers.; The function is negative over (–6, –2).

Question 6

The graph of the function f(x) = –(x + 1)2 is shown. Use the drop-down menus to describe the key aspects of the function. The vertex is the . The function is positive . The function is decreasing . The domain of the function is . The range of the function is .

Revolt · Accepted Answer

maximum value; Selection 1: maximum value; Selection 2: for no values of x; Selection 3: when x > –1; Selection 4: all real numbers; Selection 5: all numbers less than or equal to 0

Question 7

What is the vertex of the quadratic function f(x) = (x – 8)(x – 2)? (,)

Revolt · Accepted Answer

Part 1: 5; Part 2: -9

Question 8

Which graph represents the function f(x) = (x – 3)2?

Revolt · Accepted Answer

[Image: On a coordinate plane, a parabola opens up. It goe...]

Question 9

Question 10

Revolt · Accepted Answer

Stephen

Question 10

Which function has a vertex at (2, –9)?

Revolt · Accepted Answer

f(x) = (x – 5)(x + 1)

Quadratic Functions: Factored Form Answers

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