8th grade STAAR Vocabulary

Front

What is the longest side of a right triangle?

Back

Hypotenuse

Front

What is another word for a proportional relationship?

Back

Direct variation

Front

What is it called when each x-value has exactly one y-value?

Back

Function

Front

What type of graph is represented by any straight line?

Back

Linear

Front

What does it mean if no x-values repeat in a relation?

Back

Function

Front

What is the term for a relationship where one quantity is a constant multiple of another?

Back

Proportional relationship

Front

What is the slope of a line?

Back

The ratio of the rise (change in y) to the run (change in x).

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What is a function rule?

Back

A mathematical expression that defines a function.

Front

What is the y-intercept of a line?

Back

The point where the line crosses the y-axis.