Algebra 1 vocabulary

Front

What is the domain?

Back

The set of all possible x values in a function.

Front

What are two lines that never intersect?

Back

Parallel lines.

Front

What is the horizontal axis?

Back

The x-axis.

Front

A number used to multiply a variable. For example, in the expression 6z, 6 is the _____________ of z.

Back

Coefficient.

Front

What does rate of change mean?

Back

Slope.

Front

What is the range?

Back

The set of all possible y values in a function.

Front

What do you call a line that intersects another line at a right angle?

Back

Perpendicular lines.

Front

What is a variable?

Back

A symbol used to represent an unknown value, often denoted by letters like x or y.

Front

What is an expression?

Back

A combination of numbers, variables, and operations without an equality sign.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.