8th STAAR 10c (transformations)

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A circle is graphed on a coordinate grid with its center at (-4, 7). The circle will be translated p units to the right and v units down.

Which rule describes the center of the new circle after this translation?

Trapezoid WKRP was translated 4 units to the left and 5 units up on a coordinate grid to create trapezoid W'K'R'P'. Which rule describes this transformation?

• A reflection across the x-axis

• A reflection across the y-axis

Triangle ABC was transformed to create triangle A'B'C'.

Which rule best describes this transformation?

Quadrilateral PQRS was translated 5 units to the right and 3 units up to create quadrilateral P'Q'R'S'.

Which rule describes this transformation?

Pentagon VWXYZ is shown on the coordinate grid. A student reflected pentagon VWXYZ across the x-axis to create pentagon V'X'X'Y'Z'.

Which rule describes this transformation?

Triangle RST is translated 6 units to the left and 4 units up to create triangle R'S'T'.

Which rule describes this transformation?

The coordinate gird shows a pentagon. The pentagon is translated 1 unit to the left and 10 units down to create a new pentagon.

Which rule describes this transformation?

A circle is graphed on a coordinate grid and then reflected across the y-axis. If the center of the original circle was located at (x, y), which ordered pair represents the center of the new circle after the transformation?

• (x, y)

• (x, -y)

• (-x, y)

• (-x, -y)