SOLUTION: The height of a curved support beam can be modeled by f(x) = -x^2/288+18 Find the height and width of the beam.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The height of a curved support beam can be modeled by f(x) = -x^2/288+18 Find the height and width of the beam.      Log On


   

Question 637395: The height of a curved support beam can be modeled by
f(x) = -x^2/288+18
Find the height and width of the beam.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

f(x)=-x^2/288+18    V(0,18), parabola opening downward, height of beam is 18

If f(x) = 0   ⇒     x^2 = 18*288   and x+=sqrt%285184%29+=++72

width of the beam is 72+%2B+72+=+144