Transformations

How does reflecting a figure over the y-axis change the ordered pair?

• Changes the x-coordinate
• Changes the y-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect the point (-1, 2) over the y-axis.

• (-1, -2)
• (1, 2)
• (1, -2)
• (1, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Translate the point A (-3, 4) right 5 and up 1

• (-2, 9)
• (-8, 5)
• (8, 3)
• (2, 5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(x, y) -------> (x, -y) is a reflection over the x axis.       

• True
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(x,y) -------> (-x, -y) is a reflection over the y = x axis.

• True 
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(x, y) -------> (x - 3, y) is a translation of 3 units to the left.   

• True
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(x, y) -------> (-x, -y) is a rotation of 180 degrees.  

• True 
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(x, y) -------> (-y, -x) is a rotation of 90 degrees counterclockwise.  

• True 
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A dilation with a scale factor of 2 is a reduction. 

• True
• False

Tags

CCSS.8.G.A.3

A dilation with a scale factor of 1/3 is a reduction. 

• True 
• False

Tags

CCSS.8.G.A.3