# Chapter 3 REVIEW Sections 3.3, 4.1, 3.4, 3.1. Problem #1 Find the slope of the line that passes through (0, -4) ad (3, 2)

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Chapter 3 REVIEW Sections 3.3, 4.1, 3.4, 3.1

Problem #1 Find the slope of the line that passes through (0, -4) ad (3, 2)

Problem #2 Find the slope of the line that passes through (0, 2) and (0, 4).

Problem #3 Find the rate of change represented in the graph.

Problem #4 Find the rate of change represented in the graph.

Problem #5 The average cost of phone increased from \$99 in 2007 to \$299 in 2013. Find the average rate of change in the cost. Explain what it means.

Problem #6 Graph the equation y = x

Problem #7 Graph the equation y = 4/3x

Problem #8 Suppose y varies directly as x. Write a direct variation equation that relates x and y. Then solve. If y=15 when x=2, find y when x=8.

Problem #9 Suppose you earn \$127 for working 20 hours. –Write a direct variation equation relating your earnings to the number of hours worked. –How much would you earn for working 35 hours?

Problem #10 Graph the equation by using a table. Y = -x + 2

Problem #11 Graph the equation by using x- and y- intercepts. 2x – 3y = 12

Problem #12 Write an equation of a line in slope- intercept form with the given slope and y-intercept. Then graph the equation. m=4; y-intercept: (0, -2)

Problem #13 Rewrite an equation of a line in slope- intercept form. Then graph the equation. 3x + 4y = 8

Problem #14 Write an equation in slope-intercept form for the total cost of skiing for h hours with one lift ticket.

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