Non Proportional Relationships

Front

What is a non-proportional relationship?

Back

A relationship where the ratio between x and y is not constant.

Front

What is a proportional relationship?

Back

A relationship where the ratio between x and y is constant.

Front

Identify the equation of a proportional relationship.

Back

y = kx, where k is a constant.

Front

What does the slope of a line represent?

Back

The rate of change of y with respect to x.

Front

How do you find the slope from two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What is the slope of the line represented by the equation y = 3x + 2?

Back

The slope is 3.

Front

What does a positive slope indicate about a line?

Back

The line rises from left to right.

Front

What does a negative slope indicate about a line?

Back

The line falls from left to right.

Front

What is the slope of a horizontal line?

Back

The slope is 0.

Front

What is the slope of a vertical line?

Back

The slope is undefined.