When solving absolute value equations you must rewrite the equation as two linear equations. - isolate what is in the absolute value bars -rewrite it as two equations, one equal to the positive the other equal to the negative. When solving absolute value inequalities:
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When solving absolute value equations you must rewrite the equation as two linear equations.-isolate what is in the absolute value bars-rewrite it as two equations, one equal to the positive the other equal to the negative
When solving absolute value inequalities:
-isolate what is inside the absolute value bars
-solve one as it is written and write another inequality switching the direction of the symbol and changing the sign on the number
Remember! Absolute value is never negative!
Real Number System
Whole Numbers 0, 1, 2, 3, ……..
Integers …..,-2, -1, 0, 1, 2, 3,………..
Rational Numbers- numbers that can be written as a ratio of two integers.
Irrational Numbers – numbers when written as decimals that do not terminate or repeat.
Rewriting equations and formulas:
Solve for r
Compound Inequalities with and /or