Proportional Relationships in Tables & Graphs

What is the COP in the equation y = 14x

14

What is the COP in the equation y=6x

6

Ratio

A comparison of two quantities

Unit Rate

A ratio between different measurements in which the second term is one

How can you tell if a TABLE of (x, y) values represents a proportional relationship?

Find all the ratios of y/x. If all the ratios are equivalent, then it's a proportional relationship.?

How can you tell if a GRAPH represents a proportional relationship?

The graph must form a straight line AND the line must pass through the origin (0,0).

Is this equation proportional or not? y=-4x

This is not a proportional equation.

Proportion

Two ratios that are equal

A straight line that does not pass through the origin in a graph is ______________

non-proportional

A straight line that passes through the origin in a graph is ____________

proportional

What EQUATION represents a COP of 3?

y=3x

What EQUATION represents a COP of 8?

y=8x

In equation form a proportional relationships is written as....

y=kx form.