SOLUTION: Hello there, I need help understanding this question: Consider the equation: x+y^2=1 (where x, y are real numbers.) (a) Does this equation define y as a function of x? Ex

Algebra ->  Functions -> SOLUTION: Hello there, I need help understanding this question: Consider the equation: x+y^2=1 (where x, y are real numbers.) (a) Does this equation define y as a function of x? Ex      Log On


   

Question 1039502: Hello there, I need help understanding this question:
Consider the equation: x+y^2=1 (where x, y are real numbers.)
(a) Does this equation define y as a function of x? Explain.
(b) Does this equation define x as a function of y? Explain

Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
How many values of y can y^2 have?

y%5E2%2Bx=1
y%5E2=1-x
y=0%2B-+sqrt%281-x%29---------two different expressions for y.


x=1-y%5E2--------------ONE expression equated to x.