SOLUTION: I need help with the following question. The problem needs to be solved using subsitution. The answer that I got does not agree with the answer in the book. y=x^2 x^2+y^2=1

Question 134935This question is from textbook algebra 2
: I need help with the following question. The problem needs to be solved using subsitution. The answer that I got does not agree with the answer in the book.
y=x^2
x^2+y^2=1 This question is from textbook algebra 2

Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
Given :

Use the quadratic equation

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