Dilation on the Coordinate Plane

Which of the following transformations produces a figure that is congruent to the original figure?

• Rotations

• Reflections

• Translations

• Dilations

The result of a transformation. (NEW)

• Pre-image
• Image

Pentagon VWXYZ is shown on the coordinate grid. A student reflected pentagon VWXYZ across the x-axis to create pentagon V'W'X'Y'Z'. Which rule describes this transformation?

• $\left(x,y\right)\rightarrow\left(x,-y\right)$

• $\left(x,y\right)\rightarrow\left(x,y+8\right)$

• $\left(x,y\right)\rightarrow\left(-y,x\right)$

• $\left(x,y\right)\rightarrow\left(-x,y\right)$

Dilations produce ___________ figures.

• congruent

• same

• different

• similar

A trapezoid on a coordinate grid is dilated to create a larger trapezoid. Which rule could represent this dilation?

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be?

• (-5, 5)
• (-3, -5)
• (-5, 3)
• (-3, 3)

State the coordinates of the image of point C after a dilation with a scale factor of 1/2 and center point P.

• (-6, 1)
• (-3, -2)
• (1, -6)
• (-2, -3)

A transformation is applied to a figure to create a new figure. Which transformation does not preserve congruence?

• A reflection across the x-axis

• A translation 7 units down

• A dilation by scale factor of 5

• A rotation of $90\degree$ clockwise