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8.10.C Explain the Effect of Translations, Reflections & Rotations Applied to 2-D Shapes

Quiz by Grade 8 Math - Texas Education Agency

Grade 8
Math (Archived)
Texas Essential Knowledge and Skills (TEKS)

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6 questions
Show answers
  • Q1
    A figure is graphed on a coordinate grid as shown. The figure is rotated 180° clockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?
    Question Image
    (x, y ) → (x, −y)
    ( x, y ) → (− y, −x)
    (x, y ) → ( -x, y)
    (x, y ) → (− x, −y)
    60s
    8.10.C: Two-Dimensional Shapes
  • Q2
    The coordinate grid shows parallelogram PQRS. Parallelogram PQRS is rotated 90° clockwise about the origin to create parallelogram PQRS′. Which rule describes this transformation?
    Question Image
    (x , y)→ ( x, -y)
    (x , y)→ ( y,x)
    (x , y)→ ( y,-x)
    (x , y)→ ( -x, y)
    60s
    8.10.C: Two-Dimensional Shapes
  • Q3
    The coordinates of the vertices of a quadrilateral are P (1, 2), R (1, 4), S (3, 4), and T (4, 2). Quadrilateral PRST is reflected across the y-axis to create quadrilateral P'R'S'T' Which rule describes this transformation?
    Question Image
    (x , y)→ ( -x, y)
    (x , y)→ ( y,-x)
    (x , y)→ ( x, -y)
    (x , y)→ ( -y,x)
    60s
    8.10.C: Two-Dimensional Shapes
  • Q4
    Triangle ABC was translated 2 units to the right and 3 units down. Which rule describes the translation that was applied to triangle ABC to create triangle A'B'C ′?
    (x ,y ) → (- 3x, 2y )
    (x ,y ) → (2x, - 3y )
    (x ,y ) → (x +2, y -3)
    (x ,y ) → (x - 3, y + 2)
    60s
    8.10.C: Two-Dimensional Shapes
  • Q5
    The coordinate grid 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?
    Question Image
    ( x ,y) → ( x − 1, y − 10)
    ( x ,y) → ( x − 1, y +10)
    ( x ,y) → ( x + 1, y +10)
    ( x ,y) → ( x +1, y − 10)
    60s
    8.10.C: Two-Dimensional Shapes
  • Q6
    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)
    60s
    8.10.C: Two-Dimensional Shapes

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