Constant of Proportionality, Slope, Similar Figures and Percent Proportion

A measure of the steepness of a line on a graph; the rise divided by the run.

• unit price

• slope

• x-intercept

• interval

A constant ratio of two variables related proportionally.

• constant of proportionality

• ratio

• proportion

• constant of variation

A relationship between two quantities in which the ratio of one quantity to the other quantity is constant.

• proportional relationship

• ratio

• linear equation

• nonlinear relationship

The vertical change when slope of a line is expressed as a ratio, rise over run.

• rise

• run

• origin

• proportion

What is the constant of proportionality?

• 7

• 14

• 10

• 21

Name the constant of proportionality.

• 20

• 40

• 16

• 35

The horizontal change when the slope of a line is expressed as the ratio, rise over run.

• origin

• rise

• run

• quadrant

The ratio used to enlarge or reduce similar figures.

• slope

• scale factor

• function

• output

An equation that states that two ratios are equivalent.

• percent increase

• ratio

• proportion

• percent decrease

A linear equation written in the form y = mx + b, where m represents slope and b represents the y-intercept.

• ordered pair

• slope-intercept form

• rate of change

• formula