1. October 19,2015 1.) Springboard Book 2.) Math Journal 3.) Pencils 4.) Calculator

2. Warm-up (8.4C) The cost of a plumbing repair includes a $50 fee plus a cost of $15 per hour as shown in the table below. 1.) Write an equations, in the form of y= mx + b, that represents the cost C, in terms of the number of hours, h, you paid for the plumping repair. C= 15h+50 2.)What is the slope? 15 3.) What is the y- intercept? (0,50) Hours worked Cost of repair in dollars 280 5125 8170

4. XY -8 -4 -2 0 2 4 8 XY -8 -4 0 4 8

5. XY

6. XY -10-2 -5 00 51 102 XY -8-4 -2 00 21 42 84 XY -8-2 -4 00 41 82

8. Exit Ticket