12/8 Review practice

A dilation is which of the following:

• only an enlargement

• neither an enlargement or reduction

• only a reduction

• both an enlargement and a reduction

Tags

CCSS.8.G.A.3

A dilation is given by the transformation (x, y) → (3/4x, 3/4y). What is the scale factor?

• 4/3

• 3

• 3/4

• 4

Tags

CCSS.8.G.A.3

Triangle ABC will be dilated by a scale factor of 1/2.  What will be the coordinates of C'?

• (-1, -2.5)
• (12, 6)
• (3, -1.5)
• (0, 1.5)

Tags

CCSS.8.G.A.3

Identify the transformation from ABCD to A'B'C'D'.

• Translation
• Reflection across the x-axis
• Reflection across the y-axis
• 90^o counter clockwise rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• (x+8, y+4)
• (x-8, y-4)
• (x+4, y+8)
• (x-4, y-8)

Tags

CCSS.HSG.CO.A.2

Which rule would result in a translation of 2 units left and 3 units up?

• (x, y) → (2x, 3y)
• (x, y) → (x - 2, y + 3)
• (x, y) → (-x, -y)
• (x, y) → (x + 2, y - 3)

Tags

CCSS.HSG.CO.A.2

Reflections over the x-axis change the sign of the ____-__________. 

• y-coordinate
• x-coordinate
• y-axis
• x-axis 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point that is to be transformed is called the:

• Pre-Image
• Image
• Post-Image
• Triangle

Tags

CCSS.HSG.CO.A.2

After being transformed the new point is called a(n):

• Pre-Image
• Post Image
• Alternate Image
• Image

Tags

CCSS.HSG.CO.A.2

Level 3: Identify the transformation.

• Rotation (Turn)

• Reflection (Flip)

• Translation (Slide)

• None of the Above

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5