GEOM REVIEW Unit 3 Fall24

Describe the transformation

• translation 6 units down

• translation 2 units down

• reflection across the x-axis

• reflection across the y-axis

• rotation 90° CCW

Describe the transformation rule

• (x,y)→(x,-y)

• (x,y)→(-x,y)

• (x,y)→(y,x)

• (x,y)→(-x,-y)

• (x,y)→(-y,-x)

Which transformation shows a translation 3 units right?

• A

• B

• C

• D

• None of these

Which transformation shows a translation by vector <0,-4>?

• A

• B

• C

• D

• None of these

Which transformation shows rotation of 90° CCW about the origin?

• A

• B

• C

• D

• None of these

Which transformation shows reflection over the y-axis?

• A

• B

• C

• D

• None of these

Which transformation shows reflection over the x-axis?

• A

• B

• C

• D

• None of these

If you reflect a right triangle over the y=x line,

what feature(s) of the triangle change?

• leg lengths

• angle measures

• length of hypotenuse

• position of the triangle

• the orientation of the triangle

If you translate a right triangle,

what feature(s) of the triangle change?

• leg lengths

• angle measures

• length of hypotenuse

• position of the triangle

• the orientation of the triangle

If you reflect the line segment over the y-axis,

what will be the coordinates of point A?

• (-1,-2)

• (-1,2)

• (1,-2)

• (1,2)