Solving Absolute Value Equations
Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Mia Campbell
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the absolute value of -5?
-5
0
5
10
Tags
CCSS.6.NS.C.7C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the absolute value of x equals 5, what are the possible values of x?
5 and -5
5 and 0
0 and -5
5 and 10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving an absolute value equation?
Square both sides
Get the absolute value by itself
Add a constant to both sides
Multiply both sides by a constant
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the equation: |2x - 9| = 15. What are the solutions for x?
x = 12 and x = -3
x = 12 and x = 3
x = -12 and x = -3
x = -12 and x = 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an extraneous root?
A root that is always positive
A root that does not satisfy the equation
A root that is always negative
A root that satisfies the equation
Tags
CCSS.HSA.REI.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do we check for extraneous roots in absolute value equations?
To simplify the equation
To verify the solutions are correct
To find additional solutions
To eliminate negative solutions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the equation: |4x + 10| = 6x. What is the valid solution for x?
x = 6
x = -1
x = -2
x = 5
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