Chapter 8 - Graphing Quadratic Functions - 8.5 - Using Intercept Form - Exercises - Page 455: 32

Graph $F$

Given the function: $$y=(x+5)(x-3)$$ Rewrite it in the form $y=a(x-p)(x-q)$: $$y=(x-(-5))(x-3)$$ It follows that the $x$-intercepts are $-5$ and $3$. The graph which intersects the $x$-axis at $x=-5$ and $x=3$ is graph $F$.