Unit 3 Quiz Review Answers | Answer Key - Edubirdie

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

2021
Views:

164

Pages:

15
Author:

Alvin Bradford

Unit 3 Quiz Review 1.) Variation (Direct/Inverse) 2.) multiply/Divide 3.) Add/Subtract - 1.) x + y vary directly (y=k). Find y when x = 3 . a) x = 2 y = 10 b) x = 1/4 y = 1/9 1.) Find K y = 5x Y=KX Y = 4/9 * x Y=KX y = 5 - 3 4 * 1/9 = 1/4 * K * 4 Y = 4/1 * 3 Y = 5x 15 10=2k k = 5 x = 15 deg (y = 4/4 * x)/(4/3) k = 4/9 ) y = 4/3 4.) (Sigma ^ (2(x + 1)))/(3x - 3) + (x ^ (1(x + 1)))/(3x - 3) + (x ^ 3 * x ^ 2)/(2x + 2) + 3x^ 2 2 6 x^ 2 = 10x+10+3x-3x^ 2 6(x+1)(x+1) = sqrt((- 15x ^ 2 + 7x + iO)/(6(x + i)(x + i))) Try: X x+7 ווא 1.) x²+3x-28 + 2.)+ X-5 X-5 x+3 3) X+3x-4 2 x-2x - (x + 7)(x - 4) ||x-1 x^ 2 +8x-28 + x^ (x-7) x+7 x+7 = ||x+x^ 2 -4x (x + 7)(x - 4) = sqrt((x ^ 2 + iix - 4)/((x + 7)(x*pi)))

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