Transformations Review (T/r/D)

A reflection

• Has a central point that stays fixed and everything else moves around that point

• a transformation that changes the size of a figure

• a transformation in which the preimage is flipped across a line

• a function that moves an object a certain distance. The object is not altered in any other way.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A translation

• Has a central point that stays fixed and everything else moves around that point

• a transformation that changes the size of a figure

• a transformation in which the preimage is flipped across a line

• a function that moves an object a certain distance. The object is not altered in any other way.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following shows a translation?

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Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following shows a reflection?

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• 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following shows a dilation?

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• 

Tags

CCSS.8.G.A.3

Which shows point (4, 5) TRANSLATED left 2, up 3.

• (8, 2)

• (-2, 2)

• (2, 8)

• (-2, -8)

Which shows point (4, 5) TRANSLATED by left 5, down 2.

• (10, 9)

• (-9, -10)

• (3, 1)

• (-1, 3)

Which rule applies to a dilation by a scale factor of 4

• (x, y) ----> (x + 4, y + 4)

• (x, y) ----> (4x, 4y)

• (x, y) ----> (y, -x)

• (x, y) ----> (x, -y)

Tags

CCSS.8.G.A.3

Which rule applies to a translation by 4 units right and 4 units up?

• $T_{\left(4,4\right)}$

• $T_{\left(-4,4\right)}$

• $T_{\left(4,-4\right)}$

• $T_{\left(-4,-4\right)}$

Which transformation is the only transformation that does NOT preserve congruency?

• Translation

• Reflection

• Rotation

• Dilation