2.3b: Complex Numbers

Objectives:

• Graph complex numbers in the complex plane.
• Solve quadratic equations with complex roots.

Example 1


Student Example 1


Example 2 & Student Example 2


 Problem Set 2.3b
#11-35 odd (plot a graph)
68-78 even

2.3a: Complex Numbers

Objectives:

• Define the complex set of numbers.
• Manipulate expressions involving complex numbers.

 Example 1


Student Example 1


Example 2


Student Example 2


Example 3


Student Example 3


Problem Set 2.3a (in class):
# 26-66 even

2.2: Solving Quadratic Equations

Objectives:

• Solve quadratic equations by factoring.
• Solve quadratic equations by graphing.

Example 1


Student Example 1


Example 2


Student Example 2


2.2 Problem Set (in class):
 #  3-75 multiples of 3

2.1b: Factoring Quadratics (special cases)

Objectives:

• Factor special case quadratics.

Example 1

Student Example 1

Student Example 2

Problem Set 2.1b (in class):

# 8, 10, 14, 16 - 24 all, 58, 65, 71, 74

2.1a: Factoring Quadratics

Objectives:

• Factor quadratics with a leading coefficient of 1.
• Factor quadratics with a leading coefficient other than 1.

Example 1

Student Example 1

Example 2

Student Example 2

Example 3

Student Example 3

Problem Set 2.1a (in class):

# 1-6, 29-36, 62, 63, 73

1.6b: Absolute Value Inequalities

Objectives:

• Solve absolute value inequalities

Example 1


Student Example 1


Example 2


Student Example 2


1.6b problem set (in class)
# 1-3
4-12 even
29, 30

1.6a: absolute value equations

Objectives:

• Solve absolute value equations.

  Example 1


Student Example 1


Example 2


Student Example 2


1.6a problem set
#13-24

1.5 Solving Inequalities

Objectives:

• Solve inequalities.

Example 1


Example 2


Student Example 1


Example 3


Student Example 2


Example 4


Example 5


Student Example 3


Problem Set 1.5
#1-17 odd (with interval notation), 18, 20, 22