x = 3 x = 7 (x = 3 is an extraneous solution)

x = 3 x = 7 No Extraneous Solutions

x = -3 x = -7 No Extraneous Solutions

x = 3 x = 7 (x = 7 is an extraneous solution)

Suzie solves the equation below: $$x^2+4x-12=2$$ $$(x-2)(x+6)=2$$ by setting $$x-2=0$$ and $$x+6=0$$ . Her solutions are $$x=2$$ and $$x=-6$$ . Is Suzie correct? Why or why not?

C. No, she did not set the equation equal to zero before factoring.

A. Yes, she factored correctly and then used the zero product property

B. No, she didn't factor correctly so the rest of her work is wrong.

D. Yes, she answered it correctly.

Ch.4 Review

Quiz

•

Mathematics

•

KG

•

Practice Problem

•

Hard

•

CCSS

7.EE.B.4B, 7.EE.B.4A, HSA-REI.B.4B

+3

Standards-aligned

Shawn Everson

Used 16+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

2.0: Solve

x = 24

x = 3

x = 17

x = 10.3333....

Tags

CCSS.7.EE.B.4A

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

2.0: Solve
2(a + 4) = 2a - 8 + 4a

3

-3

-4

4

Tags

CCSS.8.EE.C.7B

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

2.0: WITHOUT solving, which equation below has NO REAL SOLUTION. Think about the graphs!

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Tags

CCSS.7.EE.B.4B

5.

MULTIPLE CHOICE QUESTION

15 mins • 12 pts

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

2.0: Solve

x > 20

x < 9

x > 12

x < 12

Tags

CCSS.7.EE.B.4B

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

2.0: Solve

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Ch.4 Review

14 questions

2.0: Solve

2.0: Solve
2(a + 4) = 2a - 8 + 4a

2.0: WITHOUT solving, which equation below has NO REAL SOLUTION. Think about the graphs!

2.0: Solve

2.0: Solve

2.0: Solve 4x - 3 < -1x + 12

2.5 Solve: -11 + 3(b + 5) = 7

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Discover more resources for Mathematics

Ch.4 Review

14 questions

2.0: Solve

2.0: Solve2(a + 4) = 2a - 8 + 4a

2.0: WITHOUT solving, which equation below has NO REAL SOLUTION. Think about the graphs!

2.0: Solve

2.0: Solve

2.0: Solve 4x - 3 < -1x + 12

2.5 Solve: -11 + 3(b + 5) = 7

Create a free account and access millions of resources

Similar Resources on Wayground

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Discover more resources for Mathematics

2.0: Solve
2(a + 4) = 2a - 8 + 4a