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WA6 MAT-115-mar18.docx - MAT-115: INTERMEDIATE ALGEBRA...

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MAT-115: INTERMEDIATE ALGEBRAWritten Assignment 66.1: Greatest Common Factor and Factor by GraphingFind the greatest common factor.1.10abc,2acAnswer: 2ac2.2ab,4bc ,acAnswer: no common factor3.6x2,3x3Answer: 3x²Factor the greatest common factor.4.21x3−18xAnswer: 3x5.6w3+12w2−6Answer: 66.15a3b+18ab2Answer: 3abFactor by grouping.7.2x3−4x2+5x−102x²(x – 2) + 5(x – 2)(2x² + 5)(x – 2)8.5w3−4w2+25w−20w²(5w – 4) + 5(5w – 4)(w² + 5)(5w – 4)9.15y3−9y2+5y−33y²(5y – 3) + (5y – 3)(3y² + 1)(5y – 3)Copyright © 2018 by Thomas Edison State University. All rights reserved.
6.2: Factor TrinomialsFactor.10.x2+4x+3(x + 1)(x + 3)11.m2+m−90(m – 9)(m + 10)12.w2−10w+9(w – 1)(w – 9)13.y2+2y−24¿(y + 6)(y – 4)14.6w2−19w+10(2w – 5)(3w – 2)15.6x2+17y−14I assume that “y” is typo.(2x + 7)(3x – 2)16.4y2+17y−15(y + 5)(4y – 3)17.4m2+7m−2(m + 2)(4m – 1)6.3: Factor Special ProductsFactor.18.16x2+40x+25(16x²+ 20x) + (20x + 25)4x(4x + 5) + 5(4x + 5)(4x + 5)(4x + 5)Copyright © 2018 by Thomas Edison State University. All rights reserved.
(4x + 5)²or(4x)² + 2(4x * 5) + 5²
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