Algebra 1 STAAR Vocabulary Review

Front

The x-values of a relation.

Back

Domain

Front

When each input of a relation has exactly one output, the relation is known as this.
(x does NOT repeat)

Back

Function

Front

Where the line crosses the y-axis.

Back

Y-Intercept

Front

Where the line crosses the x-axis.

Back

X-Intercept

Front

The ratio of the change in y-values (rise) with the change in x-values (run).

Back

Slope

Front

A set of ordered pairs.

Back

Relation

Front

y - y₁ = m(x - x₁)
is in what form? Options: Slope-Intercept, Point-Slope, Standard

Back

Point-Slope

Front

y = mx + b
is in what form? Options: Slope-Intercept, Point-Slope, Standard

Back

Slope-Intercept

Front

When lines have the same slope, they are said to be what?

Back

Parallel

Front

What makes two lines perpendicular?

Back

Opposite/ Reciprocal Slope