8th Grade Math Vocabulary - Semester 1 Review

Front

What is a Coordinate Pair?

Back

Ordered Pair, (X,Y)

Front

How do you find the slope in a GRAPH?

Back

rise over run

Front

What is a Function?

Back

The input (x) can only have one output (y)

Front

What are lines that lie in the same plane and never intersect?

Back

parallel lines

Front

Congruent figures are ...

Back

The same size and the same shape

Front

What is the definition of a variable in math?

Back

A symbol used to represent a number that can change.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the Pythagorean Theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the definition of a ratio?

Back

A comparison of two quantities by division.

Front

What is the difference between mean and median?

Back

Mean is the average; median is the middle value in a data set.