Rules of Coordinate Grid

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A figure was transformed on a coordinate grid using the rule (x,y) -> (-x, -y). Which of the following describes this transformation?

• A reflection across the x-axis

• A reflection across the y-axis

When translating a figure horizontally on a coordinate plane, you change the ​ (a)   coordinate by ​ (b)   it.

• x

• adding to or subtracting from

• y

• multiplying or dividing

Match the following transformations with their rule.

• ( x , y + 2)

• Translated

  2 units Left

• ( x - 2 , y )

• Translated

  2 units DOWN

• ( x , y - 2 )

• Translated

  2 units UP

• ( x + 2 , y )

• Translated

  2 units Right

What is the algebraic representation/rule for the dilation shown?

What type of dilation is shown?

• enlargement

• reduction

Which rule best represents the dilation that was applied to quadrilateral FGHJ to create quadrilateral F'G'H'J'?

Which rule best represents the dilation that has been applied to triangle JKL to create triangle J'K'L'?

Polygon LMNPQR is shown on the coordinate grid and models the shape of a garden in a park. The polygon will be dilated. The vertex Q' will be located at (21, 7). Which rule best represents this dilation?