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There are 12 ordered pairs of integers (x,y) that satisfy x^2 + y^2 = 25.  What is the sum of all the x-values?

 Mar 17, 2021
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This is an equation of a circle, where the center is at the origin and radius. 

Since all the x points are mirrored at the y axis, I believe it should sum up to 0. (for example if x = 3, x can also be -3, and 3-3 = 0). 

 

I hope this helped. :)))

=^._.^=

 Mar 17, 2021

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