Transformations (STAAR) 8.10C

Square ABCD is translated 3 units to the right on a coordinate grid to create square A'B'C'D'. Which rule describes this translation?

• (x, y) → (x, y − 3)

• (x, y) → (x, y + 3)

• (x, y) → (x + 3, y)

• (x, y) → (x − 3, y)

Tags

TEKS.MATH.8.10C

Triangle RST is rotated 270° counterclockwise about the origin of a coordinate plane to create triangle R'S'T'. Which rule describes this transformation?

• (x, y) → (x, −y)

• (x, y) → (−x, y)

• (x, y) → (−y, x)

• (x, y) → (y, −x)

Tags

TEKS.MATH.8.10C

Which transformation does NOT produce a square with vertices at the same set of coordinate pairs?

• (x, y) → (−x, y)

• (x, y) → (x − 2, y − 2)

• (x, y) → (−x, −y)

• (x, y) → (−y, x)

Tags

TEKS.MATH.8.10C

Triangle HJK is graphed on the coordinate grid. Triangle HJK will be transformed using the rule (x, y) → (−x, y) to create triangle H'J'K'. Which graph represents triangle H'J'K'?

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Tags

TEKS.MATH.8.10C

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?

• F (x, y) → (-4 + p, 7 + v)

• G (x, y) → (-4 + p, 7 - v)

• H (x, y) → (-4 - p, 7 - v)

• J (x, y) → (-4 - p, 7 + v)

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?

• (x, y) → (x – 4, y + 5)

• (x, y) → (x + 4, y – 5)

• (x, y) → (x + 4, y + 5)

• (x, y) → (x – 4, y – 5)

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

• A 90° clockwise rotation about the origin

• A 180° clockwise rotation about the origin

Determine how to translate triangle ABC to triangle A'B'C'.

• (x-2, y+5)
• (x+2, y-9)
• (x-2, y+9)
• (x-9, y+2)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

What is the transformation?

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Identify the type of transformation applied to Triangle UVW.

a

b

(-x, -y)

(x, -y)

-x, y

(y, -x)