Sequences of Transformations Part 2

What scale factor was used to produce the image?

• 2.5
• 1.5
• 3.5
• 4

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

What is the scale factor to make shape I the same size as shape II.

• $2$

• $\frac{2}{3}$

• There isn't one. The shapes are not similar.
  

• $\frac{3}{2}$

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Tell whether the transformation is a dilation. Explain.

• No, scale factor isn't the same.
• Yes, scale factor is the same.

Tags

CCSS.8.G.A.3

Which rule maps A'B'C' onto ABC?

• (x, y) ----> (0.5x, 0.5y)

• (x, y) ----> ( 2 + x, 2 + y)

• (x, y) -----> (2x, 2y)

• (x, y) -----> (3x, 3y)

Tags

CCSS.HSG.CO.A.2

Which shapes are similar to shape A? Select all that apply.

• I

• II

• III

• IV

• V

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Figures ABC and DEF are similar.  Which series of transformations of figure ABC shows that ABC and DEF are Similar? 

• 90 degree clockwise rotation, then dilation by a scale factor of ¾
  
• 90 degree counterclockwise rotation, then dilation by a scale factor of ¾
  
• Reflection across a vertical line, then dilation by a scale factor of ¾
• Reflection across a horizontal line, then dilation by a scale factor of ¾
  

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

What sequence of transformations will get you from triangle ABC to its image triangle A'B'C'?

• Reflection across the y-axis, then Translate left 3 and up 1

• Rotate 90 degree ccw, then Dilate by a scale factor of 0.5, then translate right 2 and up 3

• Dilate by a scale factor of 0.5, then reflect over the x-axis, then reflect over the y-axis, then translate left 1

• Rotate 90 degrees cw, dilate by a scale factor of 2, then translate left 6 and up 4

Tags

CCSS.8.G.A.3

Select all the correct answers.

Which sequence of transformations applied to shape I prove shape I is similar to shape II?

• reflection across the x-axis, followed by a reflection across the y-axis, and then a dilation by a scale factor of 0.5

• a 90° counterclockwise rotation about the origin, and then a dilation by a scale factor of 0.5

• a 180° counterclockwise rotation about the origin, and then a dilation by a scale factor of 0.5

• a translation 2 units down and 5 units left, and then a dilation by a scale factor of 0.5

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Which sequence of transformations proves that shape I is similar to shape II?

• a 90° counterclockwise rotation about the origin, and then a dilation by a scale factor of 2

• a reflection across the x-axis, and then a dilation by a scale factor of 3

• a reflection across the x-axis, and then a dilation by a scale factor of 2

• a 90° counterclockwise rotation about the origin, and then a dilation by a scale factor of 3

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2