CPM Homework Help : PC Problem 11-12

CPM Homework Banner

Home > PC > Chapter 11 > Lesson 11.1.1 > Problem 11-12

11-12.

Recall the definition $i = \sqrt { - 1 }$ . Simplify the following expressions.

$\sqrt { - 16 }$
Answer (a):
$4i$

$\sqrt { - 8 }$
Step (b):
$\sqrt{-1}\sqrt{8}$

$5 − \sqrt { - 9 }$
Step (c):
$5-\sqrt{-1}\sqrt{9}$

$\frac { 4 + \sqrt { - 12 } } { 2 }$
Step (d):
$\frac{4}{2}+\frac{\textit{i}\sqrt{12}}{2}$

© 2022 CPM Educational Program. All rights reserved.