Common Factoring, Simple Trinomials



Definition: ______________________ is an equation in the form _______________________, where a, b, and c are real numbers and a ≠0.To “Solve a quadratic equation” means ________________ . A question that says Solve means solve for the variable.Example 1 Solve by factoringSolve for x. Check your answers by substitution.a) x2+9x+14=0b) 2x2+5x=0c) 6x2–x=15 Example 2 Dimensions of a RectangleA rectangle has dimensions 3x+1 and 2x-5. It's area is 10 cm2. What are its dimensions?Expanding/Factoring Review Practice (Optional)Expand and Simplifya. (6x+5)(3x+1)b. x(3x+2)(2x-5)+2x+42Factor, if possiblex2+12x+274a2-20a+259x2+25x2+2x-32y2+5y+2 n2+22n+21x2-499d2-6d+116x2-8x+18t2-182x2+12x+1881x2-4912x2+19x+44x2-5x+16 Homework: pg. 279 #1cdefg, 2-6EOO, 8, 9, 10, 15TIPS practice: pg. 279 #11 ................
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