Proportional Relationships & Slope

Front

What is the formula to calculate slope?

Back

Slope (m) = rise/run

Front

If the rise is 4 and the run is 2, what is the slope?

Back

2

Front

What is the equation of a proportional relationship?

Back

y = kx, where k is the constant of proportionality

Front

If y = 5x, what is the constant of proportionality (k)?

Back

5

Front

How do you find k in a proportional relationship?

Back

k = y/x

Front

What does a slope of 0 indicate about a line?

Back

The line is horizontal.

Front

What does a negative slope indicate about a line?

Back

The line is decreasing.

Front

What does a positive slope indicate about a line?

Back

The line is increasing.

Front

Is the graph of y = 2x proportional?

Back

Yes

Front

What does the term 'proportional' mean in mathematics?

Back

Two quantities are proportional if they maintain a constant ratio.