Reflecting a Point Across an Axis - Answer Key - Write the coordinates of each reflection

Sep 30, 2026

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Answer key for coordinate-geometry practice on reflecting a point across the x-axis and y-axis. Twelve points labeled P are given with fractional and mixed positive/negative coordinates. For each point, the reflected coordinates across the x-axis and across the y-axis are provided to fill in blanks in the worksheets. Includes solutions such as (−8 1/4, −3), (8 1/4, 3), and (−4, −9 1/2) for the corresponding reflection questions.

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Write the coordinates of each reflection

Problems 1-12

Reflecting a Point Across an Axis Name: | Write the coordinates of each reflection.
1) Point P is at (−8 1/4, 3) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
2) Point P is at (−3 3/4, −5 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
3) Point P is at (4, 6) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
4) Point P is at (9, −9 3/4) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
5) Point P is at (4, −6 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
6) Point P is at (8, 2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
7) Point P is at (−7 3/4, −5 3/4) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
8) Point P is at (−4, 9 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
9) Point P is at (−1 1/2, −8 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
10) Point P is at (−8 3/4, 3 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
11) Point P is at (2 1/2, 2 3/4) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
12) Point P is at (7 1/2, −7 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ ) | | | | | | | Answers
1a. 1b. 2a. 2b. 3a. 3b. 4a. 4b. 5a. 5b. 6a. 6b. 7a. 7b. 8a. 8b. 9a. 9b. 10a. 10b. 11a. 11b. 12a.
12b. | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | |
Math | [www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 4 | 1-10
11-12 | 92 | 83 | 75 | | 67 | 58 | 50 | 42 | 33 | 25 | 17 | | | | | | 8 | 0 | | | | | | | | | | Reflecting a Point Across an Axis Name: Answer Key | Write the coordinates of each reflection.
1) Point P is at (−8 1/4, 3) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
2) Point P is at (−3 3/4, −5 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
3) Point P is at (4, 6) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
4) Point P is at (9, −9 3/4) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
5) Point P is at (4, −6 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
6) Point P is at (8, 2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
7) Point P is at (−7 3/4, −5 3/4) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
8) Point P is at (−4, 9 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
9) Point P is at (−1 1/2, −8 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
10) Point P is at (−8 3/4, 3 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
11) Point P is at (2 1/2, 2 3/4) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ )
12) Point P is at (7 1/2, −7 1/2) .
P reflected across the x-axis: ( ___ , ___ )
P reflected across the y-axis: ( ___ , ___ ) | | | | | | | Answers 1a. (−8 1/4, −3) 1b. (8 1/4, 3) 2a. (−3 3/4, 5 1/2)
2b. (3 3/4, −5 1/2) 3a. (4, −6)
3b. (−4, 6) 4a. (9, 9 3/4) 4b.

FAQs

How do you reflect a point across the x-axis?

Keep the x-coordinate the same and change the sign of the y-coordinate. For example, (−8 1/4, 3) reflects to (−8 1/4, −3).

How do you reflect a point across the y-axis?

Keep the y-coordinate the same and change the sign of the x-coordinate. For example, (−8 1/4, 3) reflects to (8 1/4, 3).

What are the reflected coordinates for Problem 3 when P is at (4, 6)?

Across the x-axis, the point becomes (4, −6). Across the y-axis, the point becomes (−4, 6).

Sep 30, 2026

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