Quadratic Functions: Factored Form Answers
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What is the y-intercept of the quadratic functionf(x) = (x – 6)(x – 2)?
A
(0,–6)B
(0,12)C
(–8,0)D
(2,0)2
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The graph of the function f(x) = –(x + 3)(x – 1) is shown below.
A
The function is positive for all real values of x wherex < –1.B
The function is negative for all real values of x where x 1.C
The function is positive for all real values of x wherex > 0.D
The function is negative for all real values of x wherex –1.3
Which point is an x-intercept of the quadratic function f(x) = (x + 6)(x – 3)?
A
(0,6)B
(0,–6)C
(6,0)D
(–6,0)4
The graph of the function f(x) = (x – 4)(x + 1) is shown below.
A
The function is increasing for all real values of x wherex < 0.B
The function is increasing for all real values of x wherex 4.C
The function is decreasing for all real values of x where–1 < x < 4.D
The function is decreasing for all real values of x wherex < 1.5.5
What is the y-intercept of the quadratic functionf(x) = (x – 8)(x + 3)?
A
(8,0)B
(0,3)C
(0,–24)D
(–5,0)6
The graph of the function f(x) = –(x + 6)(x + 2) is shown below.
A
The function is increasing for all real values of x where x < –4.B
The function is increasing for all real values of x where–6 < x < –2.C
The function is decreasing for all real values of x where x –2.D
The function is decreasing for all real values of x wherex < –4.7
Which is the graph of f(x) = –(x + 3)(x + 1)?
A
OptionB
OptionC
OptionD
Option8
What is the axis of symmetry of the function f(x)=−(x+9)(x−21)?
A
x=−15B
x=−6C
x=6D
x=159
Which is the graph of f(x) = (x – 1)(x + 4)?
A
OptionB
OptionC
OptionD
Option10
Which function has a vertex at the origin?
A
f(x) = (x + 4)2B
f(x) = x(x – 4)C
f(x) = (x – 4)(x + 4)D
f(x) = –x2Did you find these answers helpful?
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