To resize a shape to make it smaller, bigger and similar to another shape.

• Reflection

• Dilation

• Translation

• Rotation

Tags

CCSS.8.G.A.3

To resize an object by a certain scale factor...

Tags

CCSS.8.G.A.3

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

scale factor = _______

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.3

What is the scale factor?

• k = 2

• k = 1/2

• k = 4

• k = 1/4

Tags

CCSS.HSG.CO.A.2

Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?

• Yes, enlarge

• Yes, reduce

• No

Tags

CCSS.8.G.A.3

Is this an enlargement or a reduction? What is the scale factor if the origin is the center of dilation?

• It's a reduction; the scale factor is 2.

• It's an enlargement; the scale factor is 2.

• It's an enlargement; the scale factor is 1/2.

• It's a reduction; the scale factor is 1/2.

Tags

CCSS.8.G.A.3

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.3

The table describes two dilations with the center of dilation at the origin. Which rule describes each dilation?

Tags

CCSS.HSG.CO.A.2

The table describes two dilations with the center of dilation at the origin. Which rule describes each dilation?

Tags

CCSS.HSG.CO.A.2

In this figure, triangle ABC is the ​ (a)   and triangle A'B'C' is the ​ (b)   . The scale factor for this dilation is ​ (c)   . A(n) ​ (d)   occurred.

• pre-image

• image

• 2

• reduction

• enlargement

• None of the above

• 1/2

Tags

CCSS.8.G.A.3