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

Authored by Shawn Everson

Mathematics

CCSS covered

Used 19+ times

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14 questions

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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

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

-3

-4

Tags

CCSS.8.EE.C.7B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

2.0: Solve the following inequality:

$-4n-3\le\ -35\$

$n\ge-2$

$n\le-2$

$n\le-8$

$n\ge8$

Tags

CCSS.7.EE.B.4B

MULTIPLE CHOICE QUESTION

15 mins • 12 pts

2.0: What are the solutions to $\left(x-6\right)^2=225$ ?

$x=21$ and $x=-9$

$x=21$ and $x=9$

$x=118.5$ and $x=106.5$

$x=231$ and $x=216$

Tags

CCSS.HSA-REI.B.4B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

2.0: Solve

x > 20

x < 9

x > 12

x < 12

Tags

CCSS.7.EE.B.4B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

2.0: Solve

x > 7

x < 7

-2 ≤ x < 7

10.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

2.5: Solve the following inequality:
$5-\left(4x-5\right)\le30$

x ≤ -5

x < 10

x ≥ -5

x ≥ 10

Tags

CCSS.7.EE.B.4B

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Ch.4 Review

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 the following inequality:

$-4n-3\le\ -35\$

2.0: What are the solutions to $\left(x-6\right)^2=225$ ?

2.0: Solve

2.0: Solve

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

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

2.5: Solve the following inequality:
$5-\left(4x-5\right)\le30$

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Ch.4 Review

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 the following inequality: −4n−3≤ −35 -4n-3\le\ -35\ −4n−3≤ −35

2.0: What are the solutions to (x−6)2=225\left(x-6\right)^2=225(x−6)2=225 ?

2.0: Solve

2.0: Solve

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

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

2.5: Solve the following inequality: 5−(4x−5)≤305-\left(4x-5\right)\le305−(4x−5)≤30

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

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

2.0: Solve the following inequality:

$-4n-3\le\ -35\$

2.0: What are the solutions to $\left(x-6\right)^2=225$ ?

2.5: Solve the following inequality:
$5-\left(4x-5\right)\le30$