Question

The point (2,0) lies on the graph of
P(x)=x^4-2x^3-x+2

A.True
B.False

Answer 1

use the point, x = 2 and y = 0

subsitute the x value and see if you get the y-value.

If you do the point is in the curve... if not... then its not on the curve

so does

\[0 = 2^4 - 2\times2^3 -2 + 2\]