Algebraic Rules Transformation

(x,y) --> (x+a, y+b)

• translation

• rotation

• reflection

• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which rule describes the action of the coordinates when a figure is dilated by a scale factor of 2?

• (x, y)→(x+2, y+2)

• (x, y)→(2x, 2y)

• (x, y)→(x/2, y/2)

• (x, y)→(x-2, y-2)

Tags

CCSS.8.G.A.3

Which Algebraic Rule Describes a Reflection over the Y-Axis?

• (x,y)---->(-x, y)

• (x,y)---->(-x, -y)

• (x,y)---->(x+2, y-8)

• (x,y)---->(x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which Algebraic Rule Describes a Translation?

• (x,y)--->(-x, y)

• (x,y)--->(x+2 , y-3)

• (x,y)--->(-y,x)

• (x,y)--->(x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which Algebraic Rule Describes a Reflection over the X- AXIS

• (x,y)---->(-x, y)

• (x,y)---->(x, -y)

• (x,y)---->(x+4, y-9)

• (x,y)---->(-x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which Algebraic Rule Describes A Dilation

• (x,y)---->(-x, -y)

• (x,y)---->(x-9, y+5)

• (x,y)---->(2x, 2y)

• (x,y)---->(-x, y)

Tags

CCSS.8.G.A.3

Jenna and Tom have produced two algebraic rules.  Jenna’s rule is  (x, y) --> (3x, 3y)  and Tom’s rule is (x, y) -->(2x, 2y).  Which of the following statements is true regarding these rules?

• Both Tom and Jenna will have a transformation that is similar to the original.

• Both Tom and Jenna will produce an image that is a translation from the original.

Tags

CCSS.HSG.CO.A.2

What are the new dimensions?

• F

• G

• H

• J

Tags

CCSS.7.G.A.1

Which answer shows a reflection across the y-axis?

• a

• b

• c

• d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the algebraic notation of a figure is Translated 9 units right and 3 units down?

• (x, y) --> (x - 9, y + 3)

• (x, y) --> (x + 9, y - 3)

• (x, y) --> (x + 3, y - 9)

• (x, y) --> (9x, 3y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5