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Unit 7 Transformations Review

Quiz by Cecilia Argueta

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12 questions
Show answers
  • Q1
    A square with a perimeter of 20 units is graphed on a coordinate grid. The square is dilated by a scale factor of 0.4 with the origin as the center of dilation. Is this an enlargement or reduction?
    Enlargement
    Reduction
    300s
  • Q2
    A square with a perimeter of 20 units is graphed on a coordinate grid. The square is dilated by a scale factor of 0.4 with the origin as the center of dilation. If (x, y) represents the location of any point on the original square, which ordered pair represents the coordinates of the corresponding point on the resulting square?
    (x + 20, y + 20)
    (20x, 20y)
    (x + 0.4, y + 0.4)
    (0.4x, 0.4y)
    300s
  • Q3
    Triangle JKL is dilated with the origin as the center of dilation to create triangle J′K′L′. Which rule best represents the dilation that has been applied to triangle JKL to create triangle J′K′L′?
    Question Image
    (x, y) 🡪 (x + 4.5, y + 3)
    (x, y) 🡪 (1/2 x, 1/2 y)
    (x, y) 🡪 (x + 6, y – 3)
    (x, y) 🡪 (7/4 x, 7/4 y)
    300s
  • Q4
    Congruence occurs when ...
    a new figure and original figure are the same size and shape.
    doves cry.
    a new figure and original figure are NOT the same size and shape.
    two people like each other.
    300s
  • Q5
    Which representation of a transformation on a coordinate grid does NOT preserve congruence?
    (x, y) 🡪 (x, –y)
    (x, y) 🡪 (1/7x, 1/7y)
    (x, y) 🡪 (y, –x)
    (x, y) 🡪 (x + 7, y + 7)
    300s
  • Q6
    Figure I and Figure II are similar figures. Which shows the correct proportion?
    Question Image
    Answer Image
    Answer Image
    Answer Image
    Answer Image
    300s
  • Q7
    Triangle ABC was transformed to create triangle A’B’C’. Which type of transformation is this?
    Question Image
    Translation
    Reflection
    Dilation
    Rotation
    300s
  • Q8
    Triangle ABC was transformed to create triangle A’B’C’. Which rule best describes this transformation?
    Question Image
    (x, y) 🡪 (x – 7, y)
    (x, y) 🡪 (x, y – 7)
    (x, y) 🡪 (x, –y)
    (x, y) 🡪 (–x, y)
    300s
  • Q9
    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?
    (x, y) 🡪 (x – 3, y – 5)
    (x, y) 🡪 (x + 3, y + 5)
    (x, y) 🡪 (x + 5, y + 3)
    (x, y) 🡪 (x – 5, y – 3)
    300s
  • Q10
    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?
    Question Image
    (x, y) 🡪 (x, y + 8)
    (x, y) 🡪 (x, –y)
    (x, y) 🡪 (–y, x)
    (x, y) 🡪 (–x, y)
    300s
  • Q11
    Triangle RST is translated 6 units to the left and 4 units up to create triangle R’S′T′. Which rule best describes this transformation?
    Question Image
    (x, y) 🡪 (x – 6, y + 4)
    (x, y) 🡪 (6x, –4y)
    (x, y) 🡪 (x + 6, y – 4)
    (x, y) 🡪 (–6x, 4y)
    300s
  • Q12
    The figure is rotated 180° clockwise with the origin as the center of rotation to create a new figure. What is the algebraic representation that can be used to find the coordinates for E'?
    Question Image
    (x + 7, y + 3)
    (- x, - y)
    (y, - x)
    (- y, x)
    300s

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