1.5 Absolute Value of Equations and Inequalities

Question 1

Absolute Value

Answer 1

its distance from zero on the number line and distance is nonnegative.

Question 2

Tolerance

Answer 2

equals one half of the difference between the maximum and minimum values.

Question 3

extraneous solution

Answer 3

solution of an equation derived from an original equation that is not a solution of the original equation.