Understanding Constant of Proportionality

Front

A constant ratio:

k=y/x

Back

Constant of Proportionality

Front

A relationship where two quantities increase or decrease at the same rate.

Back

Proportional Relationship

Front

k = y/x, where y and x are proportional quantities.

Back

Formula for Constant of Proportionality

Front

Constant of proportionality is 3.

Back

Example: y = 3x

Front

A comparison of two quantities by division.

Back

Key Term: Ratio

Front

A symbol used to represent a number in equations.

Back

Key Term: Variable

Front

A graph of a proportional relationship is a straight line through the origin.

Back

Proportional, Linear Graph

Front

Constant of proportionality is 5.

Back

Example: y = 5x

Front

The point (0,0) on a graph.

Back

Key Term: Origin

Front

Constant of proportionality is 1/2.

Back

Example: y = 1/2x