# hw2-2 - z = 6`` w = any value 30 She must buy the same...

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Math 1160 – Section 2.2 Answer Key 10. No solution (2 nd row of matrix becomes the equation 0 = 1) - - 1 0 0 3 2 1 12. Infinite Number of Solutions x = 6y + 12 y = any value 16. Infinite Number of Solutions x = 3y + 2 y = any value z = 4 18. No solution (3 rd row of matrix becomes the equation 0 = 1) 20. Infinite Number of Solutions x = (-1/2)w + 11/2 y = (1/2)w – 5/2
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Unformatted text preview: z = 6`` w = any value 30. She must buy the same number of \$7 and \$13 plants, up to 7 of each type, and the rest must be \$10 plants. x = number of \$7 plants 7x + 10y + 13z = 150 y = number of \$10 plants x + y + z = 15 z = number of \$13 plants -15 2 1 1 1 x - z = 0 x = z y + 2z = 15 y = -2z + 15 z = any value between 0 and 7...
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## This note was uploaded on 05/21/2008 for the course MATH 116 taught by Professor Copeland during the Spring '08 term at Western Michigan.

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