Scale Factor and Dilations

Front

What does the variable 'k' represent in the transformation from (x,y) to (kx,ky)?

Back

The variable 'k' represents the scale factor.

Tags

CCSS.HSG.CO.A.2

Front

What is the scale factor if a shape is enlarged from a smaller version to a larger version?

Back

The scale factor is greater than 1.

Tags

CCSS.7.G.A.1

Front

What is the scale factor if a shape is reduced from a larger version to a smaller version?

Back

The scale factor is less than 1.

Tags

CCSS.7.G.A.1

Front

How do you express a dilation with a scale factor of 3 in algebraic notation?

Back

(x, y) goes to (3x, 3y).

Tags

CCSS.8.G.A.3

Front

If the scale factor is 1/2, what happens to the size of the figure?

Back

The figure undergoes a reduction.

Tags

CCSS.8.G.A.3

Front

Back

x = 12.

Tags

CCSS.4.NF.A.1

CCSS.3.NF.A.3B

CCSS.3.NF.A.3A

Front

What is the scale factor from a shape with a perimeter of 10 to a shape with a perimeter of 25?

Back

The scale factor is 2.5.

Tags

CCSS.7.G.A.1

Front

If a triangle has vertices at (1,2), (3,4), and (5,6), what are the new coordinates after a dilation with a scale factor of 2?

Back

(2,4), (6,8), (10,12).

Tags

CCSS.8.G.A.3

Front

What is the effect of a scale factor of 1 on a figure?

Back

The figure remains the same size.

Tags

CCSS.8.G.A.3

Front

If a rectangle has dimensions 4 by 6 and is dilated by a scale factor of 1/2, what are the new dimensions?

Back

2 by 3.

Tags

CCSS.8.G.A.3