Unformatted text preview: 8
Â9 +5 y = 6x + 5 6
m = yÂint = 2 y = 6x y = 6x Â 2 9
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1 x2 y 14.) 6 CHAPTER 7 TEST REVIEW ANSWER KEY PART III: Answer all questions in this part. Clearly indicate the necessary steps, including appropriate formula substitutions, calculations, etc.
15.) What is the solution to the system of equations below? 9d Â 3e = 39 4d + 2e = Â6 36d + 12e = 156
36d + 18e = 54
30e = 210
30
30
e = 7 4(9d  3e = 39)
9(4d + 2e = 6) d=2 4d + 2e = 6
4d + 2(7) = 6
4d  14 = 6
+ 14 + 14
4d = 8
44
d=2 e = 7 Ramon rented a sprayer and a generator. On his first job, he used the sprayer for 6 hours and the generator for 6 hours at a total cost of $90. On his second job, he used the sprayer for 4 hours and the generator for 8 hours at a total cost of $100. What was...
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This document was uploaded on 03/19/2014 for the course MATH Integrated at Brewster High School.
 Fall '13
 MikeStrnatko
 Systems Of Equations, Equations

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