Q2 W5 IA (Dilation)

Front

Dilations are ________ but not congruent.

Back

Similar

Tags

CCSS.8.G.A.3

Front

When the scale factor of a dilation is less than one, the dilation is a reduction. True or False?

Back

True

Tags

CCSS.8.G.A.3

Front

Dilation rules use ______________ to change the ___________ of a shape.

Back

multiplication; size

Tags

CCSS.8.G.A.3

Front

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image? A(3,3) B(6,6) C(9,3)

Back

A'(9,9) B'(18,18) C'(27,9)

Tags

CCSS.8.G.A.3

Front

What are the two things that are needed to describe a DILATION?

Back

Center of dilation and scale factor

Tags

CCSS.8.G.A.3

Front

What is the scale factor in a dilation?

Back

The ratio of the size of the image to the size of the original figure.

Tags

CCSS.8.G.A.3

Front

If the scale factor is greater than 1, what type of dilation occurs?

Back

An enlargement.

Tags

CCSS.8.G.A.3

Front

What happens to the coordinates of a point (x, y) when dilated by a scale factor k?

Back

The new coordinates are (kx, ky).

Tags

CCSS.8.G.A.3

Front

What is the center of dilation?

Back

The fixed point in a dilation from which all points are expanded or contracted.

Tags

CCSS.8.G.A.3

Front

How does a dilation affect angles in a shape?

Back

Angles remain the same in a dilation.

Tags

CCSS.8.G.A.3