Dilations and Compositions of Transformations

Enlargement or reduction?  Find the scale factor!

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

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

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

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

Tags

CCSS.8.G.A.3

Triangle ABC has vertices A (-2, 2), B (2, 4) and C (3, -1).  What are the coordinates of A' after a dilation by a scale factor of 2.5?

• (-5, 5)

• (5, -5)

• (5, 10)

• (7.5, -2.5)

Tags

CCSS.8.G.A.3

What is the image of point A after a dilation with a scale factor of 2?

• (1, -3)

• (-3, 1)

• (2, -6)

• (-6, 2)

Tags

CCSS.8.G.A.3

Determine the image of B after it's first dilated by a scale factor of 1/2 and then translated by the rule

(x, y) → (x + 3, y − 1)

• (5, -2)

• (7, -3)

• (2, -1)

• (2, 1)

Tags

CCSS.HSG.CO.A.2

If the scale factor is greater than 1, the dilation is...

• an enlargement

• a rotation

• a translation

• a reduction

Tags

CCSS.8.G.A.3

If the scale factor is less than 1, the dilation is...

• an enlargement

• a translation

• a rotation

• a reduction

Tags

CCSS.8.G.A.3

Determine the image of C after it's first translated by the rule

(x, y) → (x − 3, y + 3)

and is then reflected over the y-axis.

• (-2, 2)

• (2, 2)

• (4, -4)

• (-4, 4)

Tags

CCSS.8.G.A.3

Determine the image of A after it's first translated by the rule

(x, y) → (x − 4, y + 1)

and is then reflected over the y-axis.

• (-1, 4)

• (1, 4)

• (4, -1)

• (-4, -1)

Tags

CCSS.8.G.A.3

Which sequence of transformations will result from shape F to shape F''?

• Reflectio over both axes

• Refelction, then rotation

• Translation, then reflection

• Rotation, then translation

Tags

CCSS.8.G.A.3