Wk2 Test_Template - MAT 205 Cumulative Test Wk2 Student...

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MAT 205 Cumulative Test Wk2 Student Name: Lyndsey McClain Week #: 2 Questions 1 – 20 are worth  4 pts each  for a complete solution. (TOTAL 80 pts) (Formulas, work, or  detailed explanation required.)   Question 21 – 24, worth  5 pts each  for a complete solution, (TOTAL 20 pts) (Formulas, work required.) Correct Solution? Appropriate Steps Shown? Credit Earned per Problem Y Y Full Credit Y N Partial Credit N Y Partial Credit N N No Credit Prob. # Credit Choice Complete Solution 1 4 B 2 4 2 m = = m = 2 5 3 - - 2 4 D ( 8) - (-6) y ( 6) (x 5) 0 5 - - - = - - 2(x-5) (2(x 5)) ( 2(x 5)) y+6- = 5 5 - + - - 5y-2(x-5)+30 0 5 5y - 2x + 40 = 0 = (5y-2x+40)+(2x-40)=2x-40 5y=2x-40 y= 2 40 x - 5 5 y= 2 5 x-8 3 4 A (-6x-7y-22) + (6x+22) = 6x + 22 -7y = 6x + 22 y-4 = 1 (x 1) 6 7 - - - 6y-7(x-1)-24 0 6 6y-7x-17 0 6 = = 6y=7x+17 7 17 y = x + 6 6 4 4 D
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5 4 D 24000 + 30x = 110x 24000 = 80x 300 = x; so 300 pairs of shoes 6 1 C -32+(-4)=-36 D 7 2 A 2 ( ) ( ) ( ) nb x m y x b x m xy
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Wk2 Test_Template - MAT 205 Cumulative Test Wk2 Student...

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