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Solving Quadratic Equations

Authored by Patience Spivey

Mathematics

9th Grade

CCSS covered

Used 36+ times

Solving Quadratic Equations
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17 questions

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1.

FILL IN THE BLANK QUESTION

10 mins • 1 pt

Tags

CCSS.HSF.IF.A.2

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Which choice is the graph of y = (4 – x)(x + 2)?

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Answer explanation

We can find the x-intercepts by setting each factor equal to 0. x = 4 and x = -2 .

Tags

CCSS.HSF-IF.C.7A

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

{1, -12}

{-1, 12}

{-1, -12}

{1, 12}

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

(-5, 0)

(-3, -20)

(2, 35)

(6, 79)

Answer explanation

Graph the two equations and see where they intersect.

Tags

CCSS.HSA.REI.C.7

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

-22

-5

5

22

Answer explanation

Solve by graphing, substitution, or elimination. Can also solve by substituting the answers in for x to see which one works in both equations.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

0, 2

2, -4

-2, 4

2, 4

Answer explanation

Solve by factoring and setting each factor equal to 0.

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

What are the coordinates of the vertex of the graph of y = x2 – 2x – 8?

(1, -8)

(1, -9)

(2, -8)

(1, -7)

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