What is the domain of the function f(x) = 4x - 2x 2

All real numbers less than or equal to 0.

All real numbers less than or equal to -2.

All real numbers less than or equal to 2.

The graph below describes a ball that was kicked. Which of the following is a true statement describing the graph?

The ball was kicked from the ground and it was in the air for 4 seconds.

The ball was kicked from 500 centimeters from the ground and it traveled for 4 seconds.

The ball had a maximum height of 2000 centimeters and it was in the air for a total of 2 seconds.

The ball had a maximum height of 1000 centimeters and it was in the air for 4 seconds.

Which of the following describes the graph of f(x)= x 2 - 2x -15.

The graph has a minimum and has the x-intercepts of (-3, 0) and (5, 0)

The graph has a maximum and has the x-intercepts of (-3, 0) and (5, 0)

The graph has a maximum and has the x-intercepts of (3, 0) and (-5, 0)

The graph has a minimum and has the x-intercepts of (3, 0) and (-5, 0)

Solve using the Quadratic Formula: 4x 2 +4x-16=0

− 1 ± 17 2 \frac{-1\pm\sqrt{17}}{2} 2 − 1 ± 1 7 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

± 38 2 \pm\frac{\sqrt{38}}{2} ± 2 3 8 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

− 1 ± √ 5 2 \frac{-1±√5}{2} 2 − 1 ± √ 5

141 2 , − 141 2 \frac{\sqrt{141}}{2},\ -\frac{\sqrt{141}}{2} 2 1 4 1 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> , − 2 1 4 1 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

Quadratics Review

Authored by Zipharius Rice

Mathematics

9th Grade

CCSS covered

Used 66+ times

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19 questions

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MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A quadratic function has zeros -7 and 9.
What are the linear factors of the function?

(x+7) (x-9)

(x-7) (x+9)

(x+7)(x+9)

(x-7)(x-9)

Tags

CCSS.HSA.APR.B.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the axis of symmetry for the following equation?
y=4x²-8x+9

x = 5

x=1

y = 1

y = 5

Tags

CCSS.HSA.REI.B.4

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What are the x-intercepts?

0 and 2

-4 and 0

2 and 3

0 and 4

Tags

CCSS.HSF-IF.C.7A

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Use the graph to determine the solutions of the equation
0 = x² - 5x + 1

0 and 5

0.5 and 4.5

0.2 and 4.8

1 and 7

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Which of the following are other words for zeros? (Choose ALL that apply)

x-intercepts

roots

vertex

solutions

y-intercepts

Tags

CCSS.HSF-IF.C.7C

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the range of this function?

All real numbers.

All real numbers greater than or equal to 0.

All real numbers greater than or equal to -2.

All real numbers greater than or equal to 2.

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify the following radical: √275

5√5

5√11

11√5

5√55

Tags

CCSS.HSN.RN.A.2

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Quadratics Review

A quadratic function has zeros -7 and 9.
What are the linear factors of the function?