Rotations

QuizÂ by Tamicha Mangram

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4 questions
• Q1
What is the result of rotating a point (2, 5) 90 degrees clockwise about the origin?
(-2, 5)
(2, -5)
(5, -2)
(-5, 2)
30s
• Q2
If a triangle with a vertex at (4, -3) is rotated 180 degrees about the origin, where is the new location of this vertex?
(4, 3)
(3, -4)
(-4, 3)
-(3, 4)
30s
• Q3
A point (x, y) is rotated 180 degrees about the origin. What are the new coordinates of the point?
(-x, -y)
(-y, -x)
(y, x)
(x, -y)
30s
• Q4
A quadrilateral is rotated around the origin by 90 degrees counterclockwise. If one of its vertices was at (3, 2) before the rotation, what will be the new position of this vertex?
(3, -2)
(-3, -2)
(-2, 3)
(2, -3)
30s

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