### Home > CCA2 > Chapter 2 > Lesson 2.2.1 > Problem 2-83

2-83.

Change the equation in problem 2-82 so that the parabola has only one *x*‑intercept. Homework Help ✎

Remember that the parabola's vertex was

Remember that the only way for a parabola to have only one *x*-intercept is to have the vertex touching the *x*-axis.

To make it so the equation only has one *x*-intercept, you must make the vertex's *y* value equal 0.