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Absolute Value
absolute value, opposite, and solving abolute value equations with one variable
20
Mathematics
8th Grade
07/20/2011
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Cards

Term
the opposite of 9
 Definition
-9
Term
the opposite of -2.5
 Definition
2.5
Term
|-5|
 Definition
5
Term
Why is the absolute value of 3 = 3?
 Definition
Because 3 is 3 units away from 0.
Term
|-2.9|
 Definition
2.9
Term
|80|
 Definition
80
Term
-|7|
 Definition
-7
Term
-|-14|
 Definition
-14
Term
For what values of "x" is the following equation true?
|x| = 5
 Definition
x = 5 and x = -5
Term
Solve the equation:
|x| = 6.5
 Definition
x = 6.5 or x = =6.5
Term
Solve the equation:
|x| = 0
 Definition
x = 0
Term
Solve the equation:
|x| = -8
 Definition
There is no solution.
Term
Simplify:
|-9 – 6|
 Definition
15
Term
Simplify:
-|6 + (-8)|
 Definition
-2
Term
Solve:
|x - 2| = 6
 Definition
x = 8 or x = -4
Term
Solve:
|x + 3| = 0
 Definition
x = -3
Term
Solve:
|x| - 12 = 20
 Definition
x = 32 or x = -32
Term
the opposite of |-20|
 Definition
-20
Term
|16| - |-17|
 Definition
-1
Term
Evaluate:
-2 • |-25 ÷ 5|
 Definition
-10
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