Dilation of Shape

A triangle has vertices A(0,0), B(8,0), C(3,-2). Find the coordinates of the triangle after a dilation with a scale factor of  4. The dilation is (X,Y) --- (4x,4y)

• A(3,3), B(4,4), C(-3,-4)

• A(-4,8), B(6.5,8), C(7,7)

• A(0,0), B(32,0), C(12,-8)

Tags

CCSS.8.G.A.3

Does the image show a Dilation?

• Yes

• No

Tags

CCSS.8.G.A.3

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

Dilate Point A by a scale factor of 1/2

• (-4,-4)

• (-1,-4)

• (-1,-1)

• (-2,-2)

Tags

CCSS.8.G.A.3

What does it mean to dilate a shape?

• To make a shape bigger or smaller.

• To turn, or spin, a shape.

• To move a shape up, down, left, and right.

• To flip a shape.

Tags

CCSS.8.G.A.3

Is the following a dilation?

• Yes

• No

Tags

CCSS.8.G.A.3

The scale factor for this dilation is:

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.3

Dilation changes a shape's __________?

• Size

• Position

• Form

• Orientation

Tags

CCSS.8.G.A.3

A figure has a vertices W(-2,4), and X(1,4. Find the coordinates of the figure after a dilation with a scale factor of 2.

• W(-4,83), X(2,8)

• W(-4,8), X(2,8)

Tags

CCSS.8.G.A.3

In a dilation what mathematical operation is used with the scale factor?

• addition 

• subtraction 

• multiplication 

• division 

Tags

CCSS.8.G.A.3