Transformations Test

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

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

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Identify the transformation.

• Reflection across y axis
• Reflection across x-axis
• 180 Rotation
• Translation 2 units down

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

(HINT: What happened from the 1st fish bowl to the 2nd fish bowl?)

• an enlargement

• a rotation

• a translation

• a reduction

BONUS QUESTION: Identify the transformation from A to D.

• 90^o Clockwise Rotation

• 180^o Rotation

• 270^o Clockwise Rotation

• 360^o Rotation

If this triangle was reflected over the y-axis to form ΔA′B′C′, what would be the coordinates of vertex B′?

• (1, -5)

• (-5, 1)

• (5, -1)

• (5, 1)

Dilate the figure by a scale factor of 1/3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

• A'(9,9) B'(18,18) C'(27,9)
• A'(6,6) B'(9,9) C'(12,6)
• A'(0,0) B'(3,3) C'(6,0)
• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3

Point B (3, -1) is translated using the rule $(x,y)\rightarrow(x–12,y+8)$ . What are the coordinates of B’?

• (-9, 7)

• (15, 9)

• (-9, 9)

• (-15, -9)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Describe the translation of Point A (3, -8) to A'(-4, -5).

• (x - 4, y - 5)

• (x + 7, y - 3)

• (x - 7, y + 3)

• (x - 3, y + 7)

Tags

CCSS.HSG.CO.A.2

In a dilation what mathematical operation is used with the scale factor?

• addition 
• subtraction 
• multiplication 
• division 

Tags

CCSS.8.G.A.3