# Lesson 8Complex ComputationsPractice Understanding

Solve each system of equations.

## Set

Perform the indicated operation.

### 12.

Name the conjugate for each complex number.

### 16.

Divide the complex numbers.

### 19.

Find the modulus for each complex number.

### 23.

If the graphical representation of the operations between two complex numbers results in a value along the -axis or imaginary axis, what must be true about the two complex numbers?

### 24.

If the graphical representation of the operations between two complex numbers results in a value along the -axis or real number axis, what must be true about the two complex numbers?

## Go

### 25.

List the strategies that can be used to solve quadratic equations. Explain when each of the strategies would be most efficient. Give an example of a quadratic equation that would be most efficiently solved for each.

Solve.