Exploring Transformations in Geometry

When a figure is reflected over a line of reflection, the new image is congruent to the original. True or False

• True

• False

Tags

TEKS.MATH.8.10B

Translations, reflections, and rotations are all known as ________________________.

• Geometry

• Transformations

• Congruent

Tags

TEKS.MATH.8.10A

• 4 units right

• 4 units left

• 4 units up

• 4 units down

Tags

TEKS.MATH.8.10A

Identify the transformation of figure PQRSTU to figure P"Q"R"S"T"U"

• translation across the y-axis

• reflection across the x-axis

• reflection across the y-axis

• rotation 90˚ about the origin

Tags

TEKS.MATH.8.10B

Determine where X' would be if you translated X 3 units to the left and 9 units down.

• (-4, 4)

• (-10, 2)

• (-4, -5)

• (-1, 5)

Tags

TEKS.MATH.8.10A

How is triangle ABC being translated to triangle A'B'C'?

• up 3, left 8

• up 9, left 4

• down 3, right 8

• down 9, right 4

Tags

TEKS.MATH.8.10A

Does the transformation shown preserve congruence and/or orientation?

• Congruence yes, Orientation yes

• Congruence No, Orientation No

• Congruence No, Orientation yes

• Congruence Yes, Orientation No

Tags

TEKS.MATH.8.10B

Dilation is...

• a transformation that changes the size of a figure by multiplication. (Does not stay congruent)

• a transformation that changes the size of a figure by addition or subtraction. (Does stay congruent)

Tags

TEKS.MATH.8.10B

Tell whether the two figures are congruent.

• Yes, same size and same shape

• No, same shape but different sizes

• No, different size and different shapes

Tags

TEKS.MATH.8.10B

Which of the following transformations will not preserve congruence?

• Translation

• Rotation

• Reflection

• Dilation

Tags

TEKS.MATH.8.10B