### Home > INT2 > Chapter 10 > Lesson 10.1.3 > Problem 10-45

10-45.

Decide how many real solutions each equation below has. Explain how you know. You may not need to solve the equation. Homework Help ✎

Can you easily solve for

and find an answer?How many

values are possible?One solution. What is your explanation?

Try solving for

by square-rooting each side.

What do you notice?See hints from part (a).

What type of number does an absolute value sign make? Positive or negative?

No solution; Absolute value must be positive or zero.