SOLUTION: The bases of an arch are 60 feet apart. The arch has a height of 40 feet. Write a quadratic function to approximate the arch. I worked it out to: y=-2/45(x-30)^2+40 Am I correc

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: The bases of an arch are 60 feet apart. The arch has a height of 40 feet. Write a quadratic function to approximate the arch. I worked it out to: y=-2/45(x-30)^2+40 Am I correc      Log On


   

Question 189600This question is from textbook saxon algebra 2
: The bases of an arch are 60 feet apart. The arch has a height of 40 feet. Write a quadratic function to approximate the arch.
I worked it out to: y=-2/45(x-30)^2+40
Am I correct?
 This question is from textbook saxon algebra 2

Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
Correct. Graph to verify:


+graph%28+500%2C+500%2C+-10%2C+80%2C+-20%2C+50%2C+-%282%2F45%29%2A%28x-30%29%5E2%2B40%29+


You can also write (expand) it out: