dilations and translations 4

What does this transformation say to do?
(x, y) -----> (x, y +4) 

• slide down 4
• slide up 4
• slide right 4
• slide left 4

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Point K (4, 2) is translated using this rule:
(x, y)----> (x + 3, y - 1) 
What are the coordinates of K'? 

• (6, 3)
• (7, 3) 
• (7, 1) 
• (5, 3) 

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

• Multiply
• Add
• Subtract
• Divide

Tags

CCSS.8.G.A.3

Which of the following is the algebraic representation for a dilation?

• (x, y) → (x, 3y)
• (x, y) → (3x, 3y)
• (x, y) → (x, y - 3)
• (x, y) → (.5x, .4y)

Tags

CCSS.8.G.A.3

When you translate, you ______ a number to x and y.

• Add or subtract
• Multiply or divide
• Add or multiply
• Subtract or divide

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• 6 units right

• 6 units left

• 6 units up

• 6 units down

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 is the algebraic rule for the dilated image?

• ( x , y ) --> ( 3x, 3y )

• (x,y) --->(x + 2, y + 2)

• (x , y) --> (0.3x , 0.3y)

• ( x , y ) --> ( 1/2x, 1/2y )

Which of the following transformations  preserves congruence?

• (x, y) -----> (1/3x, 1/3y)
• (x, y) -----> (2x, 2y)
• (x, y) -----> (x-2, y+4)
• (x, y) -----> (.25x, .25y)

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