Topic 8 Grade Improvement

The blue triangle is reflected over the x-axis. True or False?

• True

• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The blue figure is reflected over the x-axis. True or False?

• True

• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect the point over the y-axis. What is the coordinate of its image?

• (-3,3)

• (3,3)

• (-3,-3)

• (3,-3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If you reflect point B ( -2, 5) over the y-axis, what is the reflected point?

• B' ( 2, 5)

• B' ( -2, -5)

• B' ( 2, -5)

• B' ( -2, 5)

Tags

CCSS.6.NS.C.6B

If you reflect point C ( -1, -4) over the x-axis, what is the reflected point?

• C' ( -1, 4)

• C' ( 1, 4)

• C' ( 1, -4)

• C' ( -1, -4)

Tags

CCSS.6.NS.C.6B

How is Quadrilateral EFGH translated to E'F'G'H'?

• 6 down
• 6 down, 1 right
• 6 down, 3 left
• 8 down, 1 right

Tags

CCSS.HSG.CO.A.2

How is triangle ABC being translated to triangle A'B'C'?

• up 3, left 8
• up 9, left 4
• down 3, right 8
• down 9, right 4

Tags

CCSS.HSG.CO.A.2

Rotation Rules (clockwise):

270^o rotation: (x, y)→(y, -x)

What are the coordinates for A' after a 270^⁰ rotation clockwise?

• (1, 3)

• (3, 1)

• (3, -1)

• (1, -3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotation Rules (clockwise):

180^o rotation: (x, y)→(-x, -y)

What are the coordinates of C' after a rotation of 180° clockwise?

• (-3, -1)

• (3,1)

• (1,3)

• (-1, -3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which would be the correct notation for the composition of transformations from blue to red to green?

• T<-4,0> ^o R_{y axis} 
• T<0,-4> ^o R_{y axis} 
•  R_{y axis} o T<0,-4> 
•  R_{x axis} o R_{y axis} 

Tags

CCSS.8.G.A.3