Transformation rules with a twist!

Which rule describes the action of the coordinates when a figure is reflected over the x-axis?

• (x, y)→(x, -y)

• (x, y)→(-x, y)

• (x, y)→(-x, -y)

• (x, y)→(y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Stand up and do five jumping jacks! Was that fun?

• yes

• no

• You're goofy!

• Do you know what time it is???

Which rule describes the action of the coordinates when a figure is rotated 90^o counter-clockwise about the origin?

• (x, y)→(-y, -x)

• (x, y)→(-x, -y)

• (x, y)→(-y, x)

• (x, y)→(x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Drop down and give me three pushups. Was that fun?

• Yes

• No

• This is ridiculous!

• It's better than sitting on my posterior region for four hours straight!

Which rule describes the action of the coordinates when a figure is reflected over the line y = x?

• (x, y)→(-y, -x)

• (x, y)→(-x, y)

• (x, y)→(-x, -y)

• (x, y)→(y, x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which rule describes the action of the coordinates when a figure is rotated 180^o about the origin?

• (x, y)→(y, x)

• (x, y)→(-x, y)

• (x, y)→(-x, -y)

• (x, y)→(-y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Stand up and do your favorite dance move. Was that fun?

• Yes

• No

• I can't believe we're still doing this

• I don't dance but I tried!

Which rule describes the action of the coordinates when a figure is reflected over the y-axis?

• (x, y)→(x, -y)

• (x, y)→(-x, y)

• (x, y)→(-x, -y)

• (x, y)→(y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which rule describes the action of the coordinates when a figure is rotated 270^o counter-clockwise about the origin?

• (x, y)→(-y, -x)

• (x, y)→(-x, -y)

• (x, y)→(y, -x)

• (x, y)→(x, -y)

Which rule describes the action of the coordinates when a figure is dilated by a scale factor of 2?

• (x, y)→(x+2, y+2)

• (x, y)→(2x, 2y)

• (x, y)→(x/2, y/2)

• (x, y)→(x-2, y-2)

Tags

CCSS.8.G.A.3