Grade 9 Reflections Worksheet

This worksheet covers reflections of geometric shapes on a coordinate plane, including reflections across axes and specific lines, suitable for Grade 9 math students.

Grade 9 Math GeometryTransformationsReflections

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Includes

3 Short AnswerFill in the BlanksMultiple ChoiceTrue / False

Standards

CCSS.MATH.CONTENT.HSG.CO.A.2CCSS.MATH.CONTENT.HSG.CO.A.5

Topics

Grade 9MathGeometryTransformationsReflections

8 sections · Free to use · Printable

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Reflections on the Coordinate Plane

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Read each question carefully and follow the instructions to perform reflections on the coordinate plane. Show all your work.

1. Reflect the point A(3, -2) across the x-axis. What are the coordinates of A'?

2. When a point (x, y) is reflected across the y-axis, the new coordinates are ( , ).

3. What are the coordinates of the image of point B(-5, 4) after a reflection across the line y = x?

B'(-5, -4)

B'(5, 4)

B'(4, -5)

B'(-4, 5)

4. Triangle DEF has vertices D(1, 1), E(4, 2), and F(2, 5). Reflect triangle DEF across the x-axis. List the coordinates of the reflected triangle D'E'F'.

5. A reflection is an isometry, meaning it preserves distance and angle measure.

True

False

6. Find the image of the point C(6, -3) after a reflection across the line y = -x. What are the coordinates of C'?