x^2 + y^2 = 4 and x/2 + y =1

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- February 2nd 2010, 08:13 AMsnigdhaFind the value of x and y satisfying the given equation:
x^2 + y^2 = 4 and x/2 + y =1

- February 2nd 2010, 09:32 AMrunning-gag
Hi

Substitute x = 2-2y into equation x²+y²=4

You will find a quadratic

Solve for y - February 3rd 2010, 01:29 AMsnigdha
u know i already did that...

& on solving for y, i got 2 values of y= 0 & 8/5

can u tell me which value of y do i consider for finding out x?? (Thinking) - February 3rd 2010, 04:29 AMHallsofIvy