IXL - Transformations on the coordinate plane: mixed review (Geometry practice)

Write the coordinates of the vertices after a rotation

270

counterclockwise around the origin.

ref_doc_title.

Learn with an example

question

Write the coordinates of the vertices after a translation 8 units right and 1 unit down.

key idea

A translation slides a figure to a different location.

solution

Move point

(

–

)

right 8 units and down 1 unit.

has coordinates

(

–

)

Now move point

(

–

)

right 8 units and down 1 unit.

has coordinates

(

–

)

Now move points

(

–

)

and

(

–

)

right 8 units and down 1 unit.

has coordinates

(

–

)

and

has coordinates

(

–

)

The translated points form a rectangle congruent to

Since you moved each vertex right 8 units and down 1 unit, you can find the new vertices by adding 8 to each

x-coordinate

and subtracting 1 from each

y-coordinate.

Write the coordinates of the vertices using arrow notation:

(

–

)

→

(

–

)

(

–

)

→

(

–

)

(

–

)

→

(

–

)

(

–

)

→

(

–

)

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Teacher tools

Work it out

Not feeling ready yet? These can help:

H.16Congruence transformations: mixed review

I.1Dilations: graph the image

I.2Dilations: find the coordinates

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