Posted by john on .
Explain why the equation y=x squared can have two possible values of x for every value of y.

math 
bobpursley,
y=x^2
x= +sqrty
notice the + signs
Posted by john on .
Explain why the equation y=x squared can have two possible values of x for every value of y.
y=x^2
x= +sqrty
notice the + signs