### Home > CCA2 > Chapter 1 > Lesson 1.1.2 > Problem 1-21

1-21.

Given , complete parts (a) through (f) below. ).

Calculate

.Substitute

for each in.Simplify.

Solve

.Substitute

for .Subtract

from both sides. Get the

-term alone.

Calculate

.Substitute

for each in.Simplify.

Solve

.Substitute

for .Solve.

No solution.

Solve

.Substitute

for .Solve.

Solve

.Substitute x for

.Solve.

Remember, there should be 2 solutions.

Use the eTool below to solve for each part.

Click the link at right for the full version of the eTool: *CCA2 1-21 HW eTool*