Geometry S2 Enrichment 4: Applying Formulas and Vocabulary

What is the coordinate rule for a translation?

• (x, y) --> (x + h, y + k)

• (x, y) --> (kx, ky )

• (x, y) --> (y, - x)

• (x, y) --> (-y, x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the coordinate rule for a dilation?

• (x, y) --> (x + h, y + k)

• (x, y) --> (kx, ky )

• (x, y) --> (y, - x)

• (x, y) --> (-y, x)

Tags

CCSS.8.G.A.3

What is the coordinate rule for a rotation 90 degrees counterclockwise?

• (x, y) --> (x, -y)

• (x, y) --> (-x, y )

• (x, y) --> (y, - x)

• (x, y) --> (-y, x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the coordinate rule for a rotation 270 degrees counterclockwise?

• (x, y) --> (x, -y)

• (x, y) --> (-x, y )

• (x, y) --> (y, - x)

• (x, y) --> (-y, x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the coordinate rule for a reflection across the x-axis?

• (x, y) --> (-x, y)

• (x, y) --> (x, -y )

• (x, y) --> (y, x)

• (x, y) --> (-x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the coordinate rule for a reflection across the y-axis?

• (x, y) --> (-x, y)

• (x, y) --> (x, -y )

• (x, y) --> (y, x)

• (x, y) --> (-x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the coordinate rule for a reflection across the line y=x?

• (x, y) --> (-y, -x)

• (x, y) --> (x, -y )

• (x, y) --> (y, x)

• (x, y) --> (-x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the coordinate rule for a rotation of 180 degrees?

• (x, y) --> (-x, y)

• (x, y) --> (x, -y )

• (x, y) --> (y, x)

• (x, y) --> (-x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Select ALL answers that have a 180 degree relationship.

• linear pair

• the sum of the 3 angles of a triangle

• supplementary angles

• complementary angles

Tags

CCSS.7.G.B.5

Select ALL choices that have a 90 degree relationship.

• The 2 acute angles in a right triangle

• complementary angles

• one angle of an equilateral triangle

• an angle formed by the intersection of the diagonals of a rhombus

Tags

CCSS.7.G.B.5