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Similar shapes - Length, Area and Volume 

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Similar shapes - Length, Area and Volume 

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Similarity to solve problems in 2D shapes

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Similarity to solve problems in 2D shapes

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How to reflect

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Reflection over the x-axis

A reflection over the x-axis can be seen in the picture below in which point A is reflected to its image A'. The general rule for a reflection over the x-axis:

$ (A,B) \rightarrow (A, -B) $

Reflection over the y-axis

A reflection in the y-axis can be seen in diagram 4, in which A is reflected to its image A'. The general rule for a reflection over the y-axis

$ r_{y-axis} \\ (A,B) \rightarrow (-A, B) $

Reflection over the line $$ y = x $$

A reflection in the line y = x can be seen in the picture below in which A is reflected to its image A'.

The general rule for a reflection in the $$ y = x $$ :

$ (A,B) \rightarrow (B, A ) $

Reflection over the line $$ y = -x $$

A reflection in the line y = x can be seen in the picture below in which A is reflected to its image A'.

The general rule for a reflection in the $$ y = -x $$ :

$ (A,B) \rightarrow (\red - B, \red - A ) $

Reflection over the x-axis

A reflection over the x-axis can be seen in the picture below in which point A is reflected to its image A'. The general rule for a reflection over the x-axis:

$ (A,B) \rightarrow (A, -B) $

Reflection over the y-axis

A reflection in the y-axis can be seen in diagram 4, in which A is reflected to its image A'. The general rule for a reflection over the y-axis

$ r_{y-axis} \\ (A,B) \rightarrow (-A, B) $

Reflection over the line $$ y = x $$

A reflection in the line y = x can be seen in the picture below in which A is reflected to its image A'.

The general rule for a reflection in the $$ y = x $$ :

$ (A,B) \rightarrow (B, A ) $

Reflection over the line $$ y = -x $$

A reflection in the line y = x can be seen in the picture below in which A is reflected to its image A'.

The general rule for a reflection in the $$ y = -x $$ :

$ (A,B) \rightarrow (\red - B, \red - A ) $

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Perform the reflections indicated below

Problem 1

What is the r( image of point A(1,2) after reflecting it across the x-axis. In technical speak, pefrom the following transformation x-axis)?

Show Answer

Problem 2

What is the r( image of point A (31,1) after reflecting it across the x-axis. In technical speak, pefrom the following transformation y-axis)?

Show Answer

Problem 3

What is the r( image of point A(-2,,1) after reflecting it across the the line y = x. In technical speak, pefrom the following transformation y=x)?

Show Answer

Perform the reflections indicated below

Problem 1

What is the r( image of point A(1,2) after reflecting it across the x-axis. In technical speak, pefrom the following transformation x-axis)?

Show Answer

Problem 2

What is the r( image of point A (31,1) after reflecting it across the x-axis. In technical speak, pefrom the following transformation y-axis)?

Show Answer

Problem 3

What is the r( image of point A(-2,,1) after reflecting it across the the line y = x. In technical speak, pefrom the following transformation y=x)?

Show Answer

Problem 1

What is the r( image of point A(1,2) after reflecting it across the x-axis. In technical speak, pefrom the following transformation x-axis)?

Show Answer

Problem 2

What is the r( image of point A (31,1) after reflecting it across the x-axis. In technical speak, pefrom the following transformation y-axis)?

Show Answer

Problem 3

What is the r( image of point A(-2,,1) after reflecting it across the the line y = x. In technical speak, pefrom the following transformation y=x)?

Show Answer

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Reflections in math. Formula, Examples, Practice and Interactive Applet on common types of reflections like x-axis, y-axis and lines:

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Reflections: Interactive Activity and examples. Reflect across x axis, y axis, y=x , y=-x and other lines.

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What is a rotation...?

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Virtual Nerd's patent-pending tutorial system provides in-context information, hints, and links to supporting tutorials, synchronized with videos, each 3 to 7 minutes long. In this non-linear system, users are free to take whatever path through the material best serves their needs. These unique features make Virtual Nerd a viable alternative to private tutoring.

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Can you identify which transformation has taken place?

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IXL | Identify reflections, rotations, and translations | 8th grade math

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Improve your math knowledge with free questions in "Identify reflections, rotations, and translations" and thousands of other math skills.

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Making and describing ENLARGEMENTS

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Describing a REFLECTION

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Foundation Unit 3 Nov 2010 Calculator Q18 - Describing fully a Transformation - Reflection.wmv

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Describing a Transformation fully - Reflection

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Describing a ROTATION

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Foundation Unit 3 Nov 2009 Calculator Q18 - Describe Fully a Transformation - Rotation.wmv

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Describing fully the transformation of a shape on a square grid - Rotation

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Describing a TRANSLATION

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METHODS June 2012 (H) Q4b - Describing Transformations

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This is Q4b of the METHODS of Mathematics June 2012 Higher Paper. This questions involves describing a transformation that has taken place, given the original and transformed image.

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How to TRANSLATE a shape. Approximately first 4 minutes of video...

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How to ROTATE an object. Two different methods explained. Rotations start at 4 min 25s.