Exit Ticket: Geometric Transformations

Which transformation maps a triangle with vertices at A(1, 2), B(3, 2), and C(2, 4) to its image at A'(1, -2), B'(3, -2), and C'(2, -4)?

• Reflection over x-axis

• Reflection over y-axis

• Rotation 180° about the origin

• Translation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A rotation always changes the size of the shape

• True
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Explain how a dilation with a scale factor of 0.5 would affect the size of a shape.

Tags

CCSS.8.G.A.3

Which of the following transformations results in a shape that is congruent to the original shape?

• Dilation

• Translation

• Rotation

• Both Translation & Rotation

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

When a figure is rotated 90° counterclockwise, the coordinates of a point (x, y) become...

• (y, -x)

• (-y, x)

• (-x, -y)

• (x, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following describes a dilation with a scale factor of 1?

• The shape becomes larger

• The shape becomes smaller

• The shape stays the same size

• The shape flips over the x-axis

Tags

CCSS.8.G.A.3

In a reflection over the y-axis, the x-coordinate of a point changes size.

• True
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

After a shape is dilated with a scale factor of 3, how will the distance between the center of dilation and any point on the shape change?

Tags

CCSS.8.G.A.3