irst, use the positive value of the
±
±
to find the first solution.
y
=
√
x
y
=
x
Next, use the negative value of the
±
±
to find the second solution.
y
=
−
√
x
y
=
-
x
The complete solution is the result of both the positive and negative portions of the solution.
y
=
√
x
,
−
√
x
