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)

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Puzzle Thoughts	K Sengupta	2024-04-28 22:16:58
re: Four squares by analysis (spoiler)	Jer	2011-02-12 19:10:06
Four squares by analysis (spoiler)	Harry	2010-02-27 02:05:46
re(2): computer exploration (there is a 4th. a hint)	Jer	2010-02-26 15:01:36
re: computer exploration (possible spoiler) -- two more squares	Charlie	2010-02-24 18:26:20
computer exploration (possible spoiler)	Charlie	2010-02-24 13:04:26

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