Reflections and other Transformations 2nd Period

What axis is the triangle being reflected over?

• X-axis

• Y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What axis is the image reflected over?

• X-axis

• Y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which answer shows a reflection across the x-axis?

• d
• c
• b
• a

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

• Translated 5 units down and 5 units to the right
• Translated 5 units down and 1 to the right
• Translated 8 units down and 5 units to the right
• Translated 5 units down and 4 units to the right

Tags

CCSS.HSG.CO.A.2

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

CCSS.HSG.CO.A.2

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 shape is the reflection from shape E in the x-axis?

• A

• C

• B

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which rule would result in a translation of 2 units left and 3 units up?

• (x, y) → (2x, 3y)
• (x, y) → (x - 2, y + 3)
• (x, y) → (-x, -y)
• (x, y) → (x + 2, y - 3)

Tags

CCSS.HSG.CO.A.2

Reflections over the x-axis change the ____-__________. 

• y-coordinate
• x-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation
• 90^o counter clockwise rotation
• Reflection across the y-axis
• Reflection across the x-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5