What is the first step in solving an absolute value equation?

Understanding Absolute Value Equations

Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Check the solutions
Set up two equations
Isolate the absolute value
Multiply both sides by a constant
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When solving the equation |x + 4| = 5, what are the two possible equations you can set up?
x + 4 = 0 and x + 4 = -5
x + 4 = 5 and x + 4 = -5
x + 4 = 5 and x + 4 = 10
x + 4 = 5 and x + 4 = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the solution for x in the equation x + 4 = 5?
x = 9
x = 1
x = -1
x = -9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you verify if a solution to an absolute value equation is correct?
By graphing the equation
By checking if it satisfies the original equation
By solving the equation again
By substituting into a different equation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving the equation |3x - 1| - 9 = 4?
Subtract 9 from both sides
Add 9 to both sides
Multiply both sides by 3
Divide both sides by 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two equations derived from |3x - 1| = 13?
3x - 1 = 13 and 3x - 1 = -13
3x - 1 = 13 and 3x - 1 = 26
3x - 1 = 13 and 3x - 1 = 0
3x - 1 = 0 and 3x - 1 = -13
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the solution for x in the equation 3x - 1 = 13?
x = 14/3
x = 4
x = 5
x = 3
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