IXL | Reflections: graph the image

Graph the image of square

after a reflection over the

-axis.

Coordinate plane graph with 4 quadrants, x-axis coordinates from -10 to 10, y-axis coordinates from -10 to 10. The following data are shown. Point (-5, -9). Point (2, -9). Point (2, -2). Point (-5, -2).

ref_doc_title.

Learn with an example

question

Graph the image of square

after a reflection over the

-axis.

key idea

A reflection flips a figure over a line to create a mirror image.

When a point is reflected over the

-axis,

the

-coordinate

changes sign.

solution

Reflect point

(

–

)

over the

-axis.

Since

is 9 units below the

-axis,

is 9 units above the

-axis.

Now reflect point

(

–

)

over the

-axis.

Since

is 9 units below the

-axis,

is 9 units above the

-axis.

Now reflect points

(

–

)

and

(

–

)

over the

-axis.

The reflected points form a square congruent to

Looking for more? Try this:

Lesson: Reflections

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R.3Graph points on a coordinate plane

Lesson: Reflections

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