Warm Up For use after Lesson 5.1 An electronics game store sells used games for $12.99 with a $20 membership fee. a.Write an equation that gives the total.

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Warm Up For use after Lesson 5.1 An electronics game store sells used games for $12.99 with a $20 membership fee. a.Write an equation that gives the total cost to become a member and buy games as a function of the number of games that are purchased. b.Find the cost for 6 games. c.Identify the independent and dependent variables. 2. Write an equation for the linear function (0, – 4) and (–1, –9). 1.

EXAMPLE 1 Lesson 5.2 Write an equation given the slope and a point Write an equation of the line that passes through the point (– 1, 3) and has a slope of – 4.

EXAMPLE 2 Write an equation given two points Write an equation of the line that passes through (– 2, 5) and (2, – 1).

p. 294 Ex #4 EXAMPLE 3 Your gym membership costs $33 per month after an initial membership fee. You paid a total of $228 after 6 months Write an equation that gives the total cost as a function of the length of your gym membership (in months). Find the total cost after 9 months. GYM MEMBERSHIP

EXAMPLE 4 Ex #5 p. 295 In Bicycle Moto Cross (BMX) racing, racers purchase a one year membership to a track. They also pay an entry fee for each race at that track. One racer paid a total of $125 after 5 races. A second racer paid a total of $170 after 8 races. How much does the track membership cost ? What is the entry fee per race ?