Unit 2, Pretest on Polynomials and Rational Functions with Answers Blackline Masters, Advanced Math-PreCalculusPage 43 Louisiana Comprehensive Curriculum, Revised 20081. Factor to find the roots in each of the problems below.a. x2– 5x– 14 = 0 Factors_(x – 7)(x + 2)_Roots__7 and -2_____b. 2x2– 13x+ 6 = 0 Factors_(2x – 1)(x – 6)Roots__1/2 and 6_____2. Use the quadratic formula to solve 2x2-3x– 4 = 0 x=+34144or 3-413. Find the discriminant and use it to describe the nature of the roots in each of the following equations. a. 2
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