Please help me with these rotation problem.
1 answer:
Answer:
see below
Step-by-step explanation:
In the attachment, the points are listed in the order given in the problem statement. (They are listed to the right of the "rotation matrix", with x-coordinates above y-coordinates.)
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I really don't like to do repetitive calculations, so I try to use a graphing calculator or spreadsheet whenever possible. Angles are measured CCW.
As always, the rotation transformations are ...
180° — (x, y) ⇒ (-x, -y)
270° — (x, y) ⇒ (y, -x)
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Divide by factor of 4.
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<em>*Or divide by the factor of 2 twice</em>
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Divide by factor of 13.
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Combine into single fraction.
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Answer: The factors are 2, 4 and 13
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