### Home > PC3 > Chapter 11 > Lesson 11.1.1 > Problem 11-9

11-9.

without using a graphing calculator. Do not scale your axes, but be sure to label the important points.

Since is a root, or

*-intercept. Since the factor is squared, it is actually a double root, so the curve will "bounce" off of the*

*-axis at this intercept.*

Sketch a prediction of what the curve looks like without using a graphing calculator. Then, check you work with a graphing calculator, identifying and correcting any mistakes or misconceptions.