Posted by Hannah on Tuesday, October 5, 2010 at 3:35pm.
Since x is in the 1st degree and y is in the 2nd degree, this is an x parabola. So we solve for x and get:
x = y^2 - 4,
We have the difference of 2 squares:
(y + 2) (y - 2) = 0,
y + 2 = 0,
y = -2.
y - 2 = 0,
y = 2.
Solution set: y = -2, and y = 2.
The x parabola is symmetric to the x
axis.
The y-intercepts are -2, and 2.
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