Transformation

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

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

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 reflected over the line y = -x?

• (x, y)→(y, x)

• (x, y)→(-y, -x)

• (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 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

270 degree rotation

• (x,y) to (x, -y)

• (x,y) to (y,x)

• (x,y) to (y, -x)

• (x,y) to (-x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which is equivalent to counter clockwise 90?

• clockwise 90

• clockwise 180

• clockwise 270

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Chose the correct transformation:
(x, y) --> (-y, x)

• Reflection across x-axis
• Reflection across y-axis
• 90 degree clockwise rotation or 270 degree counter clockwise rotation
• 90 degree counter clockwise rotation or 270 degree clockwise rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5