Monday - Warmup

What is the algebraic notation of a figure is Translated 2 units right and 5 units up?

• (x, y) --> (x - 2, y - 5)
• (x, y) --> (x + 2, y + 5)
• (x, y) --> (x + 5, y - 2)
• (x, y) --> (5x, 2y)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

What is the algebraic notation of a figure is Translated 8 units left and 2 units up?

• (x, y) --> (x - 8, y + 2)
• (x, y) --> (x + 8, y - 2)
• (x, y) --> (x + 2, y - 8)
• (x, y) --> (8x, 2y)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

What would be the coordinates of point K if it was reflected over the x-axis?

• (-5, -2)

• (-5, 2)

• (5, -2)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

What would be the coordinates of point K if it was reflected over the Y-axis?

• (-5, 2)

• (5, 2)

• (5, -2)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Rotate the point (7,8) around the origin 90 degrees counterclockwise.
State the image of the point.

• (-7,-8)
• (8,-7)
• (-8,7)
• (8,7)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

Rotate the point (-3,-4) around the origin 180 degrees clockwise. State the image of the point.

• (-4,-3)
• (-4,3)
• (4,-3)
• (3,4)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

If a line segment has a length of 12 units and after a dilation the image length is 4 units, what was the scale factor?

• 3
• 1/3
• 8

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

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

• addition 
• subtraction 
• multiplication 
• division 

Tags

CCSS.8.G.A.3

How do you write the algebraic notation when the scale factor is 3?

• (x, y) goes to (1/3x, 1/3y)
• (x, y) goes to (-3x, -3y)
• (x, y) goes to (x + 3, y + 3)
• (x, y) goes to (3x, 3y)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

The red triangle represents what type of rotation:

• 90° clockwise
• 90° counter clockwise
• 180° counter or clockwise

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3