    Translations, Reflections, Rotations

Quiz by April Law

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9 questions
• Q1
Which of the following is not true of a trapezoid that has been reflected across the x-axis?
The new trapezoid is the same shape as the original trapezoid.
The new trapezoid is the same size as the original trapezoid.
The x-coordinates of the new trapezoid are the same as the x-coordinates of the original trapezoid.
The new trapezoid is in the same orientation (position) as the original trapezoid.
120s
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• Q2
A translation is a transformation that moves the figure.
False
True
120s
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• Q3
A triangle with coordinates (4,2), (0, -3), and (-5, 3) is translated 5 units right and 2 units down. Which of the following represents the algebraic rule for this translation?
(5x, 2y)
(x - 2, y + 5)
(x + 5, y - 2)
(x - 5, y - 2)
120s
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• Q4
A rotation is a transformation that flips the figure.
True
False
120s
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• Q5
What is the algebraic rule for a reflection across the y -axis?
(-x, -y)
(-x, y)
(x, -y)
(-y, x)
120s
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• Q6
Triangle ABC has the following coordinates: A( 5, 3), B (1, 3), C ( 2, -4). What would be the coordinate of B' after a rotation of 180?
(-3, 1)
(3, -1)
(-1, 3)
(-1, -3)
120s
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• Q7
A rotation of 180 is the same for both clockwise and counter-clockwise.
False
True
120s
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• Q8
A rectangle has the vertices (0, -2), (0, 3), (3, -2), and (3, 3). After a transformation the vertices are now (0,2), (0, 3), (3, 2), and (3, -3). What transformation has occurred?
Translation
Reflection across the y-axis
Reflection across the x-axis
Rotation
120s
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• Q9
Point L has the coordinates (3, -5). What would be the new coordinates after a 90 clockwise rotation?
(-5, -3)
(-3, 5)
(3, -5)
(5, 3)
120s
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