8.3C Dilations Practice #2

Front

What is the formula used to find the scale factor in dilations?

Back

The formula to find the scale factor is \( \frac{new}{old} \).

Front

What are the coordinates of a point after dilation with a scale factor of n applied to the point (x, y)?

Back

The coordinates after dilation would be (nx, ny).

Front

If a point (8, 12) is dilated to (2, 3), what is the scale factor?

Back

The scale factor is \( \frac{1}{4} \).

Front

What is the term for the constant ratio of corresponding sides of similar figures?

Back

The term is 'scale factor.'

Front

If the scale factor is 4, and the original measurement is x, what is the new measurement?

Back

The new measurement is 4x.

Front

How does a scale factor greater than 1 affect the size of a figure?

Back

A scale factor greater than 1 enlarges the figure.

Front

How does a scale factor less than 1 affect the size of a figure?

Back

A scale factor less than 1 reduces the size of the figure.

Front

What is the relationship between the scale factor and the area of similar figures?

Back

The area of similar figures is proportional to the square of the scale factor.

Front

If a triangle has sides of lengths 3, 4, and 5, and is dilated by a scale factor of 2, what are the lengths of the sides of the new triangle?

Back

The new side lengths are 6, 8, and 10.

Front

What happens to the angles of a figure when it is dilated?

Back

The angles remain the same during dilation.