Proportional Relationships - Graphs

Front

What is the ordered pair (0,0) also known as?

Back

origin

Front

What is the constant of proportionality if k=1.5?

Back

k=1.5

Front

Is the graph proportional if it does not pass through (0,0)?

Back

NO

Front

What is the constant of proportionality if k=40?

Back

k=40

Front

What makes a graph proportional?

Back

Straight line AND passes through (0,0)

Front

What does a proportional relationship look like on a graph?

Back

A straight line that passes through the origin.

Front

What is the definition of proportionality in mathematics?

Back

A relationship where two quantities maintain a constant ratio.

Front

If the constant of proportionality is k=2, what does this mean?

Back

For every unit increase in x, y increases by 2.

Front

What is the slope of a proportional relationship graph?

Back

The slope is equal to the constant of proportionality.

Front

How can you determine if a graph represents a proportional relationship?

Back

Check if it is a straight line that passes through the origin.