Compositions, Congruence, Similarity & Dilations Transform

Under what composition of transformations does triangle ABC map onto triangle A''B''C''

• Reflection over x-axis, then Rotation of 90 Degrees

• Rotation of -90 Degrees, then Reflection over y-axis

• Reflection over y-axis, then Rotation of -90 Degrees

• Rotation of 90 Degrees, then Reflection over x-axis

Tags

CCSS.8.G.A.3

If the red triangle is rotated 180 degrees, then reflected over y=2 what is the final image?

• Green Triangle

• Blue Triangle

• Orange Triangle

• Red Triangle

Tags

CCSS.8.G.A.3

What is the sequence of transformations?

• Reflect over the y then reflect over the x

• Reflect over the x then reflect over the y

• Translate 4 units then rotate 90˚

• Rotate 90˚ then reflect over the x

Tags

CCSS.8.G.A.3

The coordinates of triangle JRB are ,J(1, -2) , R(-3, 6) and B(4, 5) . What are the coordinates of the vertices of its image after the transformation T_{2, -1} o r_y-axis ?

• (3, 1), (-1, -7), (6, -6)

• (3, -3), (-1, 5), (6, 4)

• (1, -3), (5, 5), (-2, 4)

• (-1, -2), (3, 6), (-4, 5)

Tags

CCSS.HSG.CO.A.2

What are the series of rigid motions that would map ∆ABC onto ∆A''B''C''?

• A reflection followed by a rotation

• A reflection followed by a translation

• A translation followed by a rotation

• A translation followed by a reflection

Tags

CCSS.8.G.A.3

What scale factor was used to produce the image?

• 2

• 3

• 1/6

• 0.6

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

What scale factor was used to produce the image?

• 1

• 4

• 7

• 0.7

Tags

CCSS.8.G.A.3

What are the coordinates for the center of dilation?

• (3, 0)

• (0, 0)

• (3, -2)

• (3, 1)

Tags

CCSS.8.G.A.3

Find the measure of x

• 36

• 6

• 24

• 12

Tags

CCSS.HSG.SRT.A.2

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2

• (5,3)

• (-5,-3)

• (20,12)

• (-20,-12)

Tags

CCSS.8.G.A.3