SOLUTION: Please help me solve this problem.
A parabolic arch has a span of 80 feet and a maximum height of 78 feet. Choose a suitable rectangular coordinate system and find the equation of
Algebra.Com
Question 1187061: Please help me solve this problem.
A parabolic arch has a span of 80 feet and a maximum height of 78 feet. Choose a suitable rectangular coordinate system and find the equation of the parabola.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A parabolic arch has a span of 80 feet and a maximum height of 78 feet. Choose a suitable rectangular coordinate system and find the equation of the parabola.
----------------------
Parabolas have the form
----
Make the y-axis thru the vertex.
---
Then you have 3 points:
(-40,0), (0,78) and (40,0)
-----
Can you do the rest?
email via the TY note for help.
RELATED QUESTIONS
Please help me solve this problem.
A parabolic arch has a span of 120 feet and a... (answered by Edwin McCravy)
Please help me solve this problem. A parabolic arch has an equation of y= -300x^2 +... (answered by Alan3354)
A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 196... (answered by ankor@dixie-net.com)
A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 174... (answered by Fombitz)
A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 152... (answered by greenestamps)
A parabolic arch has a span of 100 feet and a maximum height of 25 feet. Write an... (answered by ewatrrr)
A bridge is built in the shape of a parabolic arch. The bridge has a span of 120 feet and (answered by ankor@dixie-net.com)
A parabolic arch has a span of 120 feet and a maximum height of 25 feet. Choose a... (answered by ankor@dixie-net.com)
Please help me with this: A bridge is to be built in the shape of a parabolic arch and is (answered by ankor@dixie-net.com)