Transformation Review

Triangle ABC is reflected over the x-axis to form triangle A'B'C'

Which statement is true?

• The area of triangle ABC is greater than the area of A'B'C'

• The angle measure sof triangle ABC are less than the corresponding angle measures of triangle A'B'C'

• The sum of the angle measures of triangle ABC is twice the sum of the angle measures of triangle A'B'C'

• The side lengths of triangle ABC are congruent to the corresponding side lengths of triangle A'B'C'

Tags

CCSS.8.G.A.3

A square is rotated 90 degrees clockwise about its center. Which statement is true?

• The area of the square before rotation is less than the area after rotation

• The perimeter of the square remains unchanged after rotation

• The diagonal lengths of the square are halved after rotation

• The rotated square is not congruent to the original square

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If a parallelogram is translated 4 units up and 3 units to the right, which statement is true?

• The area of the parallelogram is increased

• The angles of the parallelogram are altered

• The side lengths of the parallelogram change

• The parallelogram's orientation and shape remain unchanged

Tags

CCSS.HSG.CO.A.2

A rectangle is graphed on a coordinate grid. Which transformation will result in a rectangle that is NOT congruent to the original rectangle?

• A dilation by a scale factor of 4

• A rotation of 180 degrees

• A translation 90 units to the left

• A reflection across the x-axis

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

If a hexagon undergoes a reflection over the y-axis, which statement is true?

• The area of the hexagon is doubled

• The side lengths of the hexagon are altered

• The orientation of the hexagon is mirrored, but its shape remains unchanged

• The angles of the hexagon are increased

Tags

CCSS.8.G.A.3

Select the transformation rules that will preserve congruence​

​ ​ (a)   ​ ​ (b)   ​ ​ (c)  

• (x , y) --> (-x , y)
• (x , y) --> (x+2 , y-1)
• (x , y) --> (-x , -y)
• (x , y) --> (3x , 3y)
• (x , y) --> (2/3x , 2/3y)

Tags

CCSS.HSG.CO.A.2

Is the picture being reflected in the y-axis or x-axis?

• y-axis
• x-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which answers are showing a reflection?

• a and c
• b and c
• c and d
• a and d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following is not a property of a figure after undergoing a reflection transformation?

• It is congruent to the original figure.

• It is in a different orientation than the original figure.

• It is larger than the original figure.

• It maintains the same distances between points as the original figure.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Figures that are the same size and same shape are what?

Tags

CCSS.8.G.A.2