perplexus.info :: Just Math : Squares joining quadratics

Squares joining quadratics (Posted on 2010-02-24)

A and B are points on the graph y=x²+8x+7
C and D are points on the graph y=-x²+8x-7
and ABCD is a square.

Find all possible x-coordinates of point A

See The Solution Submitted by Jer

Rating: 4.0000 (1 votes)

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Puzzle Thoughts

Comment 6 of 6 |

There are 4 possible x coordinates. These are:

x={0, -.8157899, -7.756981, 7.427229}

Posted by K Sengupta on 2024-04-28 22:16:58

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