Question

Jackson has to have his car repaired. The mechanic tells him it will cost $75 for each hour of labor plus the cost of the parts. He discovers that the parts cost $165.

Part A: Write an equation that can be used to determine the cost of the repairs for any hours of labor.

Part B: How much would the repairs be if it took 3 hours?

Part C: What is the meaning of the slope in Part A?

Part D: What is the meaning of the y-intercept in Part A?

Answer 1

a 75x+165=y

b 75(3)+165=390

c 75x is the cost increasing for each hour

d y-intercept=165, it cost at least 165 for the parts

Explanation: