Math 8 - Translations, Reflections and Rotations

A point P has coordinates (-8, -2). What are its new coordinates after reflecting point P across the x-axis?

• (-8, 2)

• (8, -2)

• (8, 2)

• (-2, -8)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

Write the translation of point P(2, -9) to point P’(0,-12).

• (x, y)--> (x-3,y-2)

• (x, y)--> (x+3,y+2)

• (x, y)--> (x+2,y+3)

• (x, y)--> (x-2,y-3)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Write the description for the rule (x,y)-->(x-10,y+8)

• Translation 10 units to the right 8 units up

• Translation 10 units to the left and 8 units down

• Translation 10 units to the right and 8 units down

• Translation 10 units to the left and 8 units up

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

Regarding the transformation to the right, do the figures preserve orientation?   

• yes
• no

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

The original figure prior to a transformation.

• Pre-image
• Image

Tags

CCSS.8.G.A.2

CCSS.8.G.A.3

Write the rule for this translation:

Slide 3 up and 2 right

• (x, y)---->(x + 3, y + 2)

• (x, y)-----> (x+2, y + 3)

• (x, y)----> (x - 2, y + 3)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

When a figure is translated down what happens?

• You subtract from the y-value
• You add to the y-value
• You subtract from the x-value
• You add to the x-value

Tags

CCSS.8.G.A.3

The result of a transformation.

• Pre-image
• Image

Tags

CCSS.HSG.CO.A.2

A turn is also called a ___________.

• Translation
• Reflection
• Rotation
• Transformation

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

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.1

CCSS.8.G.A.2

CCSS.8.G.A.3

CCSS.8.G.A.4