Answer
1. $r$ is a real zero of the polynomial function $f $
2. $r$ is an $x$-intercept of the graph of $f $
3. $x-r$ is a factor of $f$
Work Step by Step
1. $r$ is a real zero of the polynomial function $f $
2. $r$ is an $x$-intercept of the graph of $f $
3. $x-r$ is a factor of $f$