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111.28.B.10.b Congruence and Transformations

Quiz by Quizalize - Grade 8 Math

Grade 8
Mathematics
Texas Essential Knowledge and Skills (TEKS)

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Grade 8
Mathematics
Texas Essential Knowledge and Skills (TEKS)

8.10.B: Two-Dimensional Shapes

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10 questions
Show answers
  • Q1
    Which representation of a transformation on a coordinate plane does NOT preserve congruence?
    (x,y) → (½ x , ½ y)
    (x,y)→ (-y , x)
    (x,y) → (x–5 , y + 6)
    (x,y) → (x , -y)
    300s
    8.10.B: Two-Dimensional Shapes
  • Q2
    Which representation of a transformation on a coordinate plane does NOT preserve congruence?
    (x,y) → (x + 6 , y + 7)
    (x,y) → (4x , 4y)
    (x,y) → (-x , y)
    (x,y) → (-x , -y)
    300s
    8.10.B: Two-Dimensional Shapes
  • Q3
    Which representation of a transformation on a coordinate plane preserves congruence?
    (x,y) → (⅓ x , ⅓ y)
    (x,y) → (x + 2 , y – 4)
    (x,y) → (4x , 4y)
    (x,y) → (5/3x , 5/3y)
    300s
    8.10.B: Two-Dimensional Shapes
  • Q4
    A transformation is applied to create a new figure. Which transformation does NOT preserve congruence?
    A translation 3 units up and 4 units right.
    A rotation 90º clockwise
    A reflection across the y-axis.
    A dilation by a scale factor of 3
    300s
    8.10.B: Two-Dimensional Shapes
  • Q5
    A transformation is applied to create a new figure. Which transformation does NOT preserve congruence?
    A translation of 5 units to the left.
    A reflection across the x axis.
    A dilation by a scale factor of ¼
    A rotation of 270º counterclockwise.
    300s
    8.10.B: Two-Dimensional Shapes
  • Q6
    Which transformation of the trapezoid will NOT result in a congruent figure?
    Question Image
    Rotation
    Dilation
    Translation
    Reflection
    300s
    8.10.B: Two-Dimensional Shapes
  • Q7
    The diagram on the grid shows a pentagon. Which description correctly explains the effects of a dilation of the pentagon?
    Question Image
    A dilation will produce congruent figures because both figures will be pentagons.
    A dilation will produce congruent because the angles of the figures will be congruent.
    A dilation will not produce congruent figures because the figures will be different shapes.
    A dilation will not produce congruent figures because different sized figures cannot be congruent.
    300s
    8.10.B: Two-Dimensional Shapes
  • Q8
    In order to produce a transformation that does not preserve congruence, the image must...
    ...change orientation.
    ...change quadrants.
    ...become larger or smaller than the pre-image.
    ...be the same shape as the pre-image.
    300s
    8.10.B: Two-Dimensional Shapes
  • Q9
    In order to produce a transformation that preserves congruence...
    ...the transformation must have a scale factor not equal to 1.
    ...the image must be larger than the pre-image.
    ...the image must be smaller than the pre-image.
    ...the image must be the same size and the same shape as the pre-image.
    300s
    8.10.B: Two-Dimensional Shapes
  • Q10
    Which of the following transformations does NOT preserve congruence?
    Answer Image
    Answer Image
    Answer Image
    Answer Image
    300s
    8.10.B: Two-Dimensional Shapes

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