Transformations EOG Quick Check

• The image is larger than the pre-image

• The orientation of triangle ABC is preserved (the same as the original)

• Segment AB is congruent to segment A'B'

• The angle measures in triangle ABC are equal to the angle measures in triangle A'B'C'

Tags

CCSS.HSG.CO.A.2

• (x,y) $\longrightarrow$ (-y,x)

• (x,y) $\longrightarrow$ (-x,-y)

• (x,y) $\longrightarrow$ (y,-x)

• (x,y) $\longrightarrow$ (-x,y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• (x,y) $\longrightarrow$ $\left(\frac{2}{7}x,\ \frac{2}{7}y\right)$

• (x,y) $\longrightarrow\ \left(\frac{7}{2}x,\ \frac{7}{2}y\right)$

• (x,y) $\longrightarrow$ (x - 5, y - 5)

• (x, y) $\longrightarrow$ (x+5, y+5)

Tags

CCSS.HSG.CO.A.2

• (x,y) $\longrightarrow$ (x -7, y + 2) represents a translation 7 units down and 2 units to the right

• (x, y) $\longrightarrow$ (-x, -y) represents a 180 $\degree$ clockwise

• (x, y) $\longrightarrow$ (x + 3.5, y + 3.5) represents a dilation with a scale factor of 3.5

• (x, y) $\longrightarrow$ (-x, y) represents a reflection over the x-axis

Tags

CCSS.HSG.CO.A.2

• It is a dilation that can be represented by (x, y) $\longrightarrow$ ( $\left(\frac{1}{2}x,\ \frac{1}{2}y\right)\$

• The original figure was reduced to create the image

• The angle measure of triangle A'B'C' are the 1/2 angle measures of triangle ABC

• Triangle A'B'C' is similar to triangle ABC

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

• (x, y) $\longrightarrow$ (-x, -y)

• (x, y) ⟶ (-y, -x)

• (x, y) ⟶ (x+9, y+9)

• (x, y) ⟶ (9x, 9y)

Tags

CCSS.HSG.CO.A.2

• (-5, 2)

• (5, 2)

• (5, -2)

• (-2, 5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• A dilation followed by a reflection

• A rotation followed by a dilation

• A translation followed by a dilation

• A reflection followed by a translation

Tags

CCSS.8.G.A.3

• Translation 2 units left and 14 units down

• Rotation 180 $\degree$ clockwise

• Reflection over the x-axis

• Rotation 270 $\degree$ clockwise

Tags

CCSS.HSG.CO.B.6

• 6

• 14

• 2.5

• 7.5

Tags

CCSS.8.G.A.3