Linear Relationships Review

Front

Lena paid $18.96 for 3 pounds of coffee. How much did she pay for 1 pound of coffee?

Back

$6.32 for 1 pound

Front

In the equation y = kx, what does the k represent?

Back

k represents the constant of proportionality, multiplier, and scale factor.

Front

How many pairs do you need in order to find slope?

Back

2

Front

What is the formula for the constant of proportionality?

Back

K = y/x

Front

Slope is also known as?

Back

Rate of change.

Front

What is the definition of slope in a linear relationship?

Back

Slope is the ratio of the change in y to the change in x.

Front

If a line has a slope of 2, what does this mean?

Back

For every 1 unit increase in x, y increases by 2 units.

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined.

Front

What does a negative slope indicate about a linear relationship?

Back

As x increases, y decreases.