SOLUTION: The interval PQ has length p and the point A lies between the points P and Q. Find PA when PQ x QA = PA^2

SOLUTION: The interval PQ has length p and the point A lies between the points P and Q. Find PA when PQ x QA = PA^2

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Question 1139518: The interval PQ has length p and the point A lies between the points P and Q. Find PA when PQ x QA = PA^2
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Given: PQ = p.

Let PA = x.

Then QA = p-x.

This is a quadratic equation with variables instead of constants for coefficients. Use the quadratic formula to get an expression for the length of PA in terms of p.
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