Grade 8 Math Review

1

100

Sum of angles inside a polygon

Sum of angles inside a polygon

Sum of interior angles
(n-2)*(180)

200

Sum of exterior angles

Sum of exterior angles

Sum of all exterior angles of a polygon 

(always 360 degrees)

300

The part of a circle that lies between two lines or sides of an angle that touch the circle

The part of a circle that lies between two lines or sides of an angle that touch the circle

Intercepted Arc

400

All possible input values that can be used for a function

All possible input values that can be used for a function

Domain

500

All possible output values that can exist for a function

All possible output values that can exist for a function

Range

2

100

The shorter arc of a circle - less than 180 degrees

The shorter arc of a circle - less than 180 degrees

Minor Arc

200

The exact point where a tangent  line touches a circle

The exact point where a tangent  line touches a circle

Point of Tangency

300

The standard coordinate system that uses x and y to locate points on a grid

The standard coordinate system that uses x and y to locate points on a grid

Rectangular Coordinates

400

Changing a fraction so that the denominator has no square roots or radicals

Changing a fraction so that the denominator has no square roots or radicals

Rationalizing

500

Means exactly the same size and shape

Means exactly the same size and shape

Congruent

3

200

A relationship where one variable increases while the other decreases

A relationship where one variable increases while the other decreases

Inverse Variation

300

A relationship where one variable increases or decreases at the same rate as another.

A relationship where one variable increases or decreases at the same rate as another.

Direct Variation

400

The constant number k that shows the relationship in a direct or inverse variation

The constant number k that shows the relationship in a direct or inverse variation

Constant of Proportionality