8/24/2013 1 MATH 1314 College Algebra Prerequisite Review Order of Operations 1. Evaluate each expression. a) 5 3 4+ ? b) ( )25 2 3 5? + ? c) 3 24 4 5(2 7) 5? ? ? ? d) ( )3 22 3 3 3 4? ?? ? ? ?? ? e) ( )2 2 2 3 2 4 2 11 3 ( 2) ? ? + ? ? ? 2. Evaluate each expression for the given value of the variable(s). a) 3 23 5 4 2? + ?x x x for 2= ?x b) 24 6 4? ?x x for 1 2 = ?x c) ( )23 1 ( 1) 5? ? +x x for 2= ?x d) 33 2 ? xy x y for 3= ?x and 2= ?y Solving Linear Equations and Inequalities 3. Solve the following linear equations. a) 0.25 1.2 1.55 1.2+ = ?x x b) 7 3 3 17+ = ?x x