### Home > CCA2 > Chapter 8 > Lesson 8.3.3 > Problem 8-172

8-172.

Decide which of the following equations have real roots, and which have complex roots without completely solving them. Homework Help ✎

*y*=*x*^{2}− 6*y*=*x*^{2}+ 6*y*=*x*^{2}− 2*x*+ 10*y*=*x*^{2}− 2*x*− 10*y*= (*x*− 3)^{2}− 4*y*= (*x*− 3)^{2}+ 4

Think about the graph of each given function. Are there any *x*-intercepts?

real

complex

complex

real

real

complex