Absolute Value
Lets review some basic concepts about absolute value.
The absolute value sign is | | with a number or expression between the signs.
For eample:
- |7| = 7
- |-7| = 7 The absolute value of a number is always positive. Why? Always try to solve the problem before looking at the answer.
answer
- |t| = 7 Therefore t = -7 or t = +7 Why? Always try to solve the problem before looking at the answer. answer
- |t + 4| = 12 What does t = ? Always try to solve the problem before looking at the answer. answer
- |r - 9| = 35 r = ? Always try to solve the problem before looking at the answer. answer
- |m - 6| = -31 m = ? Always try to solve the problem before looking at the answer. answer
next absolute inequalities
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