3.6 Compound Transformations

Which sequence of transformations is used to transform the original image to the final image? Original: ABCD Final: A" B" C"D"

• Reflect over the x-axis and then rotate clockwise 90 around the origin.

• Rotate counterclockwise 90 around the origin and then translate 8 units left.

• Reflect over the y-axis and then rotate counterclockwise 90 around the origin.

• Rotate clockwise 90 around the origin and then translate 8 units left.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Two triangles are shown on the coordinate grid. Which sequence of transformations shows that ΔABC≅ΔDEF

• Reflect △ABC across the x-axis, then translate it right 1

• Reflect △ABC across the y-axis, then translate it right 1

• Reflect △ABC across the x-axis, then translate it left 1

• Reflect △ABC across the y-axis, then translate it left 1

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Two trapezoids are shown on the coordinate grid. Which sequence of transformations shows that the two trapezoids are congruent?

• Translate Trapezoid 1 down 2 units, then reflect the resulting figure across the y-axis.

• Translate Trapezoid 1 to the right 2 units, then translate the resulting down 2 units.

• Translate Trapezoid 1 to the right 2 units, then reflect the resulting figure across the x-axis.

• Reflect Trapezoid 1 across the x-axis, then reflect the resulting figure across the y-axis.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• Zach

• Naomi

• Both are correct

• Both are incorrect

Tags

CCSS.8.G.A.3

Tags

CCSS.8.G.A.3

Which of the following describes the sequence of transformations shown?

• Reflect across the x-axis and then rotate -90 degrees around the origin
• Rotate -90 degrees around the origin and then translate down.
• Reflect across the x-axis and then reflect across the y-axis.
• Translate up and then rotate 90 degrees about the origin.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A rigid motion creates figures that are ____________.

• congruent
• different sizes
• similar
• larger

Tags

CCSS.HSG.CO.B.6

Which statement is always true about two congruent polygons?

• Corresponding sides are always congruent.
• Corresponding angles are always right angles.
• Corresponding sides are always parallel.
• They are the same shape but different size.

Tags

CCSS.8.G.A.2

Which series of transformations were performed in the figure?

• Translation 5 units down, reflection over the y-axis

• Reflection over the x-axis, translation 6 units right

• Rotation 90^o clockwise, reflection over the x-axis

• Rotation 180^o clockwise, reflection over the y-axis

Tags

CCSS.8.G.A.3

Choose the best term for the description.

After the transformation is performed, the prime image is the same shape, but different in size to the pre-image.

• Congruent

• Similar

• Scale Factor

• Prime Image

Tags

CCSS.8.G.A.3