SOLUTION: An arch in a memorial arch, having a parabolic shape, has a height of 30 feet and a base width of 40 feet. Find the equation of the parabola which models this shape, using the ๐

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Question 1184545: An arch in a memorial arch, having a parabolic shape, has a height of 30 feet
and a base width of 40 feet. Find the equation of the parabola which models
this shape, using the ๐‘ฅ โˆ’axis to represent the ground.

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

given:
a height of feet=> vertex is at (,)
and a base width of feet=> since vertex at , a base width of is the distance between and

Solution:
The equation is
It passes (,) and (,) and (,)


So the equation is




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