Graphing equations: Graph the following equations. Use a graphing utility only to check your work. ? a?. 2?x ? 3y ? + 10 = 0 ? ? b.??y = ?x2+ 2?x ? 3 ? ? c? . ?x2 +? 2x? + y ? 2 + 4y ? + 1 = 0 ? ? ? d? .? 7??? 2x ? + y?2 ? 8?y + 5 = 0

Highlighter Key: Purple: Formulas, Postulates, Etc. Blue: Important Terms Green: Example Answers Red: Sections Wk4, Day1 1.6.2: Rational Inequalities Ex: (x+5)/4 - x^2 ≤ 0 Step 1. Move all terms to one side of inequality. Find zeros of numerator and denominator. X+5=0, which is x=-5 4 – x^2 = 0, which is x=±2