This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: An extraneous solution is a solution of an equation derived from an original equation that is not a solution of the original equation Checking for Extraneous Solutions 1)  2x + 5  = 3x + 4 2)  2x + 3  = 3x + 2 Absolute Value Inequalities Graph x > 3 Solve and graph. 1)  3x + 6  ≥ 12 3x + 6 could be two things…… Step 1: Drop absolute value symbol and solve Step 2: Drop absolute value symbol, flip inequality, and make 12 negative. 2) 3 2x + 6   9 < 15 You try… 3)  5z + 3   7 < 34...
View
Full Document
 Fall '09
 Johnson
 Algebra, Equations, Inequalities, Negative and nonnegative numbers, Absolute Value Equations

Click to edit the document details