SOLUTION: State the number of solutions for the following quadratic system? y^2=x^2-7 x^2+y^2=25

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Question 853884: State the number of solutions for the following quadratic system?
y^2=x^2-7
x^2+y^2=25
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

y^2=x^2-7

y^2= -x^2 + 25 

  x^2 - 7 = -x^2 + 25

  2x^2 = 32

   x^2 = 16

    x = ± 4