Review For Quiz

Suppose a linear trend line passes through the points (3, 8) and (12, 20) on a graph. Use these points to write an equation for the best fitting line. Y = 4/3 x + 4

Solve: (3, 6)

Solve: No solution

Solve: (-1, -3)

Solve: (7, 2, 1)

Solve: (1, -1, 3)

Roses: $3 each Carnations: $1 each Tulips: $3 each Three bouquets of flowers are ordered at a florist. Three roses, 2 carnations, and 1 tulip cost $14, 2 carnations and 6 tulips cost $38, and 1 rose, 12 carnations, and 1 tulip cost $18. How much does each item cost? Roses: $3 each Carnations: $1 each Tulips: $3 each

A bookstore took in $167 on the sale of 5 copies of a new cookbook and 3 copies of a new novel. The next day it took in $89 on the sale of 3 copies of the cookbook and 1 copy of the novel. What was the price of each book? Cookbook $25, Novel $14

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