6.5 Absolute Value Inqualities

Absolute value equations have two answers because the absolute value bars mean the quantity inside can be positive or negative. To solve absolute value equations, set up two cases - one where the quantity is positive and one where it is negative - and solve each case separately to find the two answers. Absolute error refers to the absolute value of the difference between an actual measurement and a specified value. Absolute value inequalities allow you to find the greatest and least acceptable values for a variable.