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?
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.