3.1 Reflections Homework

Which of the following will map Triangle ABC onto Triangle A'B'C'?

• rotation 90º clockwise

• reflection across the y-axis

• reflection across the x-axis

• translation 2 units right and 1 unit up

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What type of transformation is shown?

• Rotation

• Translation

• Reflection

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What type of transformation is shown?

• Translation

• Reflection

• Rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What type of transformation is shown?

• Translation

• Reflection

• Rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What axis is the triangle being reflected over?

• X-axis

• Y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is a reflection?

• When you turn an object around a point.
• When you slide an object form one place to another.
• When you flip or mirror an object across a line.
• When you resize an object.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What would be the coordinates of point K if it was reflected over the Y-axis?

• (-5, 2)

• (5, 2)

• (5, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Find K' if the figure is reflected across the x-axis

• (4, 1))
• (-1, -4)
• (1, -4)
• (1, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

True or false: Reflections keep the shape of a figure the same.

• True

• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

True or false: A reflection changes the size of a figure.

• True

• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5