Reflections, Transformations, Dilations

A figured is dilated by a scale factor of 3. What rule could be used to find the new perimeter?

• p --> 3p

• p --> 3(3)p

• p --> 3 + p

• p --> 3 + 3 + p

• not here

Tags

CCSS.8.G.A.3

A figured is dilated by a scale factor of 3. What rule could be used to find the new area?

• a --> 3a

• a --> 3(3)a

• a --> 3 + a

• a --> 3 + 3 + a

• not here

Tags

CCSS.7.G.A.1

Which transformation(s) preserve congruency?

• rotations

• reflections

• translations

• dilations

Tags

CCSS.HSG.CO.A.2

Which points below would represent the coordinate points of the image of a transformation?

• A(3, 2), B(4, 7), C(9, 10)

• A'(3, 2), B'(4, 7), C'(9, 10)

• not here

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Choose the rule that was used to transform this figure.

• (x, y) --> (x - 5, y + 3)

• (x, y) --> (x + 5, y - 3)

• (x, y) --> (x + 3, y - 5)

• (x, y) --> (x - 3, y + 5)

• Not here

Tags

CCSS.HSG.CO.A.2

What is the rule for this transformation?

• (x, y) --> (2x, 2y)

• (x, y) --> (1/2x, 1/2y)

• (x, y) --> (-2x, -2y)

• Not here

Tags

CCSS.HSG.CO.A.2

Which answer shows a reflection across the y-axis?

• a

• b

• c

• d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If we reflect triangle ABC over the line shown (y=-x), where would A' be located? 

• (2,-5)

• (1,2)

• (-1,-3)

• (-1,-2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation

• 90^o counterclockwise rotation

• Reflection across the y-axis

• Reflection across the x-axis

Tags

CCSS.8.G.A.3

What is the equation of the line of reflection?

• x=2

• y=-2

• x=undefined

• x=-2

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5