Ratios/Graphs

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you find the unit rate?

Back

Front

What does a graph represent?

Back

A graph visually represents data, showing the relationship between two or more variables.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value of the ratio between two proportional quantities, often represented as 'k' in the equation y = kx.

Front

How do you interpret the coordinates (x,y) on a graph?

Back

The coordinates (x,y) represent a point on the graph where 'x' is the horizontal position and 'y' is the vertical position.

Front

What is a proportional relationship?

Back

A proportional relationship is one where two quantities increase or decrease at the same rate, maintaining a constant ratio.

Front

How can you determine if a relationship is proportional from a graph?

Back

A relationship is proportional if the graph is a straight line that passes through the origin (0,0).

Front

What is the formula for calculating a ratio?

Back

Front

What does the slope of a line in a graph represent?

Back

The slope of a line represents the rate of change between the two variables, calculated as the rise over run.

Front

How do you calculate the slope of a line?

Back