Understanding Scale and Proportions

Front

Back

The constant of proportionality is 7.

Front

Write an equation for the relationship where the constant of proportionality is 18.50.

Back

Front

If a triangle with sides 3 cm, 4 cm, and 5 cm is enlarged by a scale factor of 2, what is the length of the longest side in the new triangle?

Back

The length of the longest side in the new triangle is 10 cm.

Front

What is the scale factor from a rectangle with a length of 8 cm to a scale copy with a length of 12 cm?

Back

The scale factor is 1.5.

Front

Back

Front

Define 'scale factor'.

Back

A scale factor is a number that scales, or multiplies, a quantity.

Front

What does it mean for two quantities to be proportional?

Back

Two quantities are proportional if they maintain a constant ratio.

Front

How do you find the constant of proportionality from a proportional relationship?

Back

Divide the dependent variable by the independent variable.

Front

Back

Front

What is the relationship between scale factor and enlargement?

Back

A scale factor greater than 1 indicates enlargement.