Graphing

How to find the X-Intercept

Because the x-intercept is located on the x-axis, *and*
because all points on the x-axis have a y coordinate of 0, we are going
to find where the y= equation is zero.

lEnter the given equation as y1=

lEnter y2 = 0
(Recall that y = 0 is the x-axis.)

lGraph

lFind where the equation (y1)
intersects the x-axis (y2)