Solving Absolute Value Equations with Extraneous Solutions

Solving Absolute Value Equations with Extraneous Solutions

10th Grade

20 Qs

quiz-placeholder

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Solving Absolute Value Equations with Extraneous Solutions

Solving Absolute Value Equations with Extraneous Solutions

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Anthony Clark

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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An extraneous solution is

not a concern when solving absolute value equations

an apparent solution that must be rejected because it does not satisfy the original equation

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

| 2x + 12 | < 8

Which is the correct first step?

2x + 12 < 8 and 2x+12 > -8

2x + 12 < 8 or 2x+12 > -8

2x + 12 < 8 and 2x+12 < -8

2x + 12 < 8 or 2x+12 < -8

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the correct first step?

divide by 10

multiply by 10

make it two inequalities with an "or"

make it two inequalities with and "and"

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

−2|−2r − 4| = -12

{5,1}

{-5, -1}

{-5, 1}

No Solution

5.

MATCH QUESTION

1 min • 5 pts

Match the following

x = -3, 1

-3 | x + 1 | = -6

x = 1, -1

x = 5, -5

|x| = 5

No Solution

|2x| = -2

x = -20, 20

2|x| = 2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

|−4 + 5x| = 16

{16/5,12/5}

{4,-5}

{-12/5, 4}

4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

|v + 8| − 5 = 2 

{-1,-15}

{-1,-5}

{-15,15}

No Solution

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