Transformations Review 2

Reflecting over the y-axis changes the ____-_____________. 

• x-axis
• x-coordinate
• y-coordinate
• none of the above

A scale factor of less than one means

• that the image will be larger than the pre-image.
• That the image will be the same as the pre-image.
• That you need to subtract that amount off  of each side.
• That the image will be a reduction of the pre-image.

When you reflect a shape, you ______ over an axis or line.

• Flip
• Rotate
• Slide
• Expand

When you dilate, you ______ x and y by a number.

• Multiply
• Add
• Subtract
• Divide

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

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

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)

How is triangle ABC being translated to triangle A'B'C'?

• up 3, left 8
• up 9, left 4
• down 3, right 8
• down 9, right 4

How many degrees was the figure rotated?

• 90 degrees counterclockwise 
• 180 degrees
• 90 degrees clockwise

When you translate, (x,y+6) will move _____.

• 6 units right
• 6 units left
• 6 units up
• 6 units down

Which answers are showing a reflection?

• a and c
• b and c
• c and d
• a and d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5