PDA

View Full Version : word problem: consecutive integers whose squares sum to 85



mandora1
07-19-2006, 09:54 PM
Find two consecutive positive integers such that the sum of their squares is 85.

Denis
07-19-2006, 10:04 PM
2^2 + 3^2 = 4 + 9 = 13

YOUR job is to find something similar that adds to 85;
so n^2 + (n+1)^2 = 85. Solve for n.

TchrWill
07-20-2006, 01:19 PM
Find two consecutive positive integers such that the sum of their squares is 85.
x^2 + (x + 1)^2 = 85

I bet you can take it from here.