SOLUTION: A sport store sells about 50 mountain bikes per month at a price of $220 each. For each $20 decrease in price, about 10 more bikes per month are sold. Write a quadratic function

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: A sport store sells about 50 mountain bikes per month at a price of $220 each. For each $20 decrease in price, about 10 more bikes per month are sold. Write a quadratic function       Log On


   



Question 253412: A sport store sells about 50 mountain bikes per month at a price of $220 each. For each $20 decrease in price, about 10 more bikes per month are sold. Write a quadratic function in standard form that models the revenue from bike sales. What price produces the maximum revenue?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
y=mx+b
220=-2*50+b
320=b
y=-2x+320
This a linear equation not quadratic.