### Home > CCAA8 > Chapter 11 Unit 12 > Lesson CCA: 11.2.3 > Problem11-69

11-69.

Based on the graph, give a possible equation for the parabola.

For additional help, see problem 11-13.

1. The $x$-coordinates of the $x$-intercepts are roots of the equation. If you know the roots, can you find the factors?

The factors are $(x−0)$ and $(x−4)$.

$y=x(x−4)$

1. See the hints in part (a).

1. Instead of using fractions, multiply each factor by the fraction's denominator.

The factors can be written as
$(2x+1)$ and $(2x−3)$.