# POLQ 2 | Lesson 3 | Explore (Radical Equations)

What is a radical equation?

Which of the following are examples and which are non-examples of radical equations?

a) $$\sqrt{x+3} =9$$

b) $$\sqrt{5}+x =7$$

c) $$\sqrt{x}+5 =9$$

d) $$\sqrt[3]{x+8} =5$$