When functions intersect the x and y-values are equal, so at the point of intersection f (x) = g(x).
To find the intersection point(s) of two functions.
f(x) = (½)x − 2 and g(x) = − x2 + 4. Find the coordinates where f(x) = g(x).
In this case the intersection points are (−1.68, 1.19) and (2.41, −1.81).
Note: if you can’t find 8: Geometry make sure you use graph mode instead of the scratchpad, otherwise please update your N-spire to the latest version.