Chapter 4 Math Notes
Term/Definition:
Slope 
Slope &
Angle
Notation


Define Slope Angle:
4.1.1
Label the Slope Triangle with appropriate pieces:
Draw and label the slope angles for the following triangles. Then find the angle associated with that ratio as
well as its complement.
base of 5, height of 1
Slope Ratios
& Angles
base of 5, height of 2
Slope Ratio:
Angle:
Slope Ratio:
Angle:
Slope Ratio:
Angle:
Slope Ratio:
Angle:
4.1.2
base of 3, height of 1
base of 3, height of 3
Slope Ratio:
Angle:
Slope Ratio:
Angle:
Slope Ratio:
Angle:
Arithmetic Sequences
Geometric Sequences
Define:
Define:
EX: _____ , _____ , _____ , _____ , . . .
EX: _____ , _____ , _____ , _____ , . . .
Common Difference = _________
Common Ratio = _________
Zero Term Form:
Zero Term Form:
First Term Form:
First Term Form:
Sequences
4.1.3
Define Tangent Ratio:
Tangent Ratio
4.1.4
Draw an image of a triangle to illustrate tangent ratio:
tan  
Independent
Events
4.1.5

Define Independent Events:
Example of two independent events:
Example of two events that are not independent:
Quadratic equation:
Factoring/Zero Product Property:
Solve the following quadratic equation by using the
Zero Product Property
x2  3x  10  0
10 x2  19 x  6  0
Solving a
Quadratic
Equation
4.2.1
Quadratic Formula:
Solve the following quadratic equation by using the
Quadratic Formula
9 x2 12 x  4  0
Area Model
When can you use an Area Model:
Use the Area model to find the probability that the
spinners forms a word:
Tree Diagram
When can you use a Tree Diagram:
Probability
Models
4.2.3
Use the Tree diagram to find the probability of getting exactly 2 tails:
Complement:
Union:
Intersection:
Addition Rule:
Intersections,
Unions, and
Complements
4.2.4