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

when x –1for all real numbers of x✔ for no values of x

Revolt · Accepted Answer

✔ for no values of x

Question 3

when x –1for all real numbers of xfor no values of x

Revolt · Accepted Answer

✔ when x > –1

Question 4

✔ all real numbersall real numbers less than –1all negative real numbersall positive real numbers

Revolt · Accepted Answer

✔ all real numbers

Question 5

all real numbersall real numbers less than –1✔ all numbers less than or equal to 0all numbers greater than or equal to 0

Revolt · Accepted Answer

✔ all numbers less than or equal to 0

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.

Revolt · Accepted Answer

✔ maximum value; The vertex is the .: maximum value; The function is positive .: for no values of x; The function is decreasing .: when x > –1; The domain of the function is .: all real numbers; The range of the function is .: all numbers less than or equal to 0

Question 7

([___],[___])

Revolt · Accepted Answer

Part 1: 54486; Part 2: 54487; 5

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

JeremiahLindsayStephenAlexis

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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