IM2 9.0-9.2 Quick Quiz

If you were to rotate ABCD 90° about the origin, what would the coordinates of D' be?

• (2, 5)

• (5, -2)

• (-2, -5)

• (-5, 2)

Triangle GHI is reflected across the x-axis.  What are the coordinates of I'?

• (-2, 6)
• (2, 6)
• (-6, -2)
• (6, 2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Write a rule for the translation.

•  (x -1, y  + 2)
•  (x -2, y  + 1)
•  (x +2, y  - 1)
• (x +1, y  -  2)

Tags

CCSS.HSG.CO.A.2

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

Tags

CCSS.HSG.CO.A.2

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.

• B' (2 , 4.5)

• B' (-8 ,-18)

• B' (8 ,18)

• B' (9 ,4)

Tags

CCSS.8.G.A.3

Name the series of transformations that maps ABC onto DEF.

• reflect over x-axis then translate left 6 up 1

• reflect over y-axis then translate down 6 left 1

• translate right 6 down 1, then reflect over x-axis

• rotate $90\degree$ then reflect over y-axis

In the picture, point P is  $\left(3,\ 5\right)$ . Where is P' after  $\left(r_{\left(270\degree,\ O\right)}\circ D_3\right)$ ? 

•  $\left(9,\ -15\right)$  

•  $\left(-9,\ 15\right)$  

•  $\left(-9,\ -15\right)$  

•  $\left(15,\ -9\right)$  

•  $\left(1,\ -\frac{5}{3}\right)$  

For the composition of transformations  $\left(D_3\circ R_{y-axis}\right)$ , what transformation should be done first? 

• Reflect

• Rotate

• Translate

• Dilate

Which series of transformations were performed in the figure?

• Translation 5 units down, reflection over the y-axis

• Reflection over the x-axis, translation 6 units right

• Rotation 90^o, reflection over the y-axis

• Rotation 180^o, reflection over the y-axis

Which transformations keep figures congruent?

• translation, reflection, and dilation

• reflection, rotation, and dilation

• dilation, translation, reflection, and rotation

• translation, reflection, and rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5