Linear Relationships and Slope Vocab

Front

Ratio of two proportional quantities y and x is expressed as \( \frac{y}{x} \).

Back

Constant of Proportionality

Front

In direct variation, the constant ratio of variables y and x is expressed as \( \frac{y}{x} \).

Back

Constant of Variation

Front

Proportional relationship: y=mx

Back

Direct Variation

Front

Change in y over change in x.

Back

Rate of Change

Front

Starting value in a table when x=0.

Back

Initial Value

Front

An equation that gives a straight line.

Back

Linear Equation

Front

Straight-line relationship between two variables.

Back

Linear Relationship

Front

Vertical change in a graph.

Back

Rise

Front

Horizontal change in a graph

Back

Run

Front

Find the m value using \(\frac{rise}{run}\) or \(\frac{y_2-y_1}{x_2-x_1}\)

Back

Slope