Proportional Slopes

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how many units of one quantity correspond to one unit of another quantity.

Front

How do you calculate a unit rate from a ratio?

Back

To calculate a unit rate, divide the first quantity by the second quantity to find out how much of the first quantity corresponds to one unit of the second quantity.

Front

What is the formula for slope?

Back

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Front

What is the significance of a slope of 0?

Back

A slope of 0 indicates a horizontal line, meaning there is no vertical change as the x-value changes.

Front

What does a negative slope indicate?

Back

A negative slope indicates that as the x-value increases, the y-value decreases, resulting in a downward slant of the line.

Front

What is the meaning of vertical change in a graph?

Back

Vertical change refers to the change in the y-coordinate of a point on a graph, indicating how much the value increases or decreases.

Front

What is the meaning of horizontal change in a graph?

Back

Horizontal change refers to the change in the x-coordinate of a point on a graph, indicating how much the value increases or decreases.