MTH 112 Practice Exam 3 (Chapter 5), V. Walker Name (a?
Solve the system of equations by the substitution method.
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2x+4y=-8 ,ZC 33) +413 .5 "if. X : /3CI+)
x=-3y '
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Solve the system by th
MTH 112 Practice Exam 1 (Chapters 1 and 2)
Solve the equation by factoring.
1) x2 = x + 30
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(X+53( X-D r o
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[11 2>12X2+23X+10|7991 5x +2.:a m. 4x+=o
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MTll l 12, Practice Exam 2 (Chapter 3) Name I 36/8.
Solve the problem.
1) The cost in millions of dollars for a company to manufacture X thousand automobiles is given by the function
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C(x) = 4x2 32x + 128. Find the number of automobiles that must be prod