University:
Missouri State University
Course:
MTH 103 | Intermediate Algebra
Academic year:

2020
Views:

57

Pages:

8
Author:

Javon Neal

February 25, 2020 Homework Factoring Quiz tomorrow (40 points) Warm-ups Factor completely: [-12x^{3}-14x^{2}+6x] [-2x(6x^{2}+7x-3)] [6x^{2}+9x-2x-3] [3x(2x+3)-1(2x-3)] A: 74 Solve: [4x^{2}-9x-12=2x-19] [-2x+19] [-2x+19] [4x^{2}-11x+7=0] [4x^{2}-4x-7x+7=0] [4x(x-1)-7(x-1)=0] [(x-1)(4x-7)=0] [x-1=0 \quad 4x-7=0] [x=1 \quad 4x=7] [x=\frac{7}{4}] M: 28x² A: -11x February 25, 2020 Quiz Review 1. Review worksheet 2. Make-up missed assignments. 3. Riddle worksheets What Do You Call a Sore on a Police Officer's Foot? Factor completely each polynomial below. Find your answer and notice the letter next to it. Write this letter in the box containing the number of 1 that exercise. (1) (3x^2 - 15x + 18) (3(x-2)(x-3)) (2) (x^3 + 11x^2 + 10x) (x(x+1)(x+10)) (3) (8x^3 - 18x) (2x(2x+3)(2x-3)) (4) (5x^3 - 40x^2 + 60x) (5x(x-2)(x-6)) (5) (4x^2 + 8x - 60) (4(x+5)(x-3)) (6) (2x^3 - 20x^2 - 48x) (2x(x-12)(x+2)) (7) (4m^2 - 18m + 14) (2(m-1)(2m-7)) (8) (15m^3 + 24m^2 + 9m) (3m(m+1)(5m+3)) (9) (15m^2 - 10m - 25) (5(3m-5)(m+1)) (10) (50m^3 - 2m) (2m(5m+1)(5m-1)) (11) (3m^2 - 10m + 8) ((3m-4)(m-2)) (12) (60m^3 + 54m^2 - 6m) (6m(m+1)(10m-1)) Answers: (I) (5x(x+3)(x-4)) (N) (2x(2x+3)(2x-3)) (L) (2x(x+6)(x-4)) (C) (3(x-2)(x-3)) (A) (4(x+5)(x-3)) (X) (x(x+5)(x+3)) (S) (4(x+5)(x-1)) (E) (x(x+10)(x+1)) (H) (2x(x-12)(x+2)) (O) (5x(x-2)(x-6)) (R) (2x(4x+9)(x+1)) Answers: (C) (3m(5m+3)(m+1)) (S) (5(3m+1)(m-5)) (R) ((3m-4)(m-2)) (F) (2(2m+1)(m+7)) (J) (5(3m-5)(m+1)) (M) (6m(5m-1)(2m-1)) (H) (3m(5m+2)(m-1)) (N) (2(2m-7)(m-1)) (P) (2m(5m+1)(5m-1)) (C) (6m(10m-1)(m+1)) (T) ((3m-2)(m+4)) 5 8 11 7 1 3 9 6 2 12 4 10 C O R N O N T H E C O P