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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.

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

  1. real

  1. complex

  1. complex

  1. real

  1. real

  1. complex