Absolute Value with Extraneous Solutions

Absolute Value with Extraneous Solutions

9th Grade

20 Qs

quiz-placeholder

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Absolute Value with Extraneous Solutions

Absolute Value with Extraneous Solutions

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Anthony Clark

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

|3h + 2| = 14 - h

h = 3, -8

h = 3

h = 3, 8

no solution

2.

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

3.

MULTIPLE CHOICE QUESTION

1 min • 13 pts

What is the extraneous solution to the equation, |x - 15| = 4x

-5

3

15

-15

no extraneous solutions

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the solution of ∣5x-2∣=7x+14?

x=-1

x=-1, x=-8

x=-8

no solutions

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the absolute value equation: |2y - 4| = 8

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the following equation:


3|−8x| + 8 = 80

{−7/3, 7/3}

{−3, 3}

{11/3, −11/3}

No Solution

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

−2|−2r − 4| = -12

{3,1}

{-5,1)

{-1, 5}

No Solution

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