### Home > CCA2 > Chapter 4 > Lesson 4.2.1 > Problem 4-77

4-77.

Find all of the points at which the parabolas below intersect. Write your solution(s) in

Both equations are in , so the Equal Values Method can be used.

Set the equation equal to

Factor and use the Zero Product Property, or use the Quadratic Formula to solve for .

Be sure to solve for .