Geometry 9.1 and 9.2

Identify the transformation.

• Reflection across y-axis

• 90 Rotation counter clockwise

• Translation 5 units left, 1 unit up.

• Translation 5 units right, 1 unit down

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

•  left 8, up 3

• left 4, up 9

• right 8, down 3

• right 4, down 9

Tags

CCSS.HSG.CO.A.2

Reflect Point C over the y-axis:

• (-3, 2)

• (3,2)

• (-2,3)

• (3,0)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Flipping a figure is a ...

• Rotation

• Reflection

• Dilation

• Translation

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

Triangle GHI is reflected across the x-axis.  What are the coordinates of I'?

• (-2, 6)

• (2, 6)

• (-6, -2)

• (6, 2)

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 x-axis?

• (-5, -2)

• (-5, 2)

• (5, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right

Tags

CCSS.8.G.B.8

solve for x

• 5552363959656.

• 10

• 100

• 89

Tags

CCSS.8.G.B.7

Find the length of the missing side. 

• 25 cm

• 42 cm

• 52 cm

• 48 cm

Tags

CCSS.8.G.B.7