What is the ordered pair of M’ after point M (5, 6) is rotated 90° counterclockwise?
2 answers:
ANSWER
(-6,5)
EXPLANATION
The mapping for 90° counterclockwise rotation has mapping
The coordinates of M are (5, 6)
To find the coordinates of M' we substitute the coordinates of M into the rule.
Hence the ordered pair of M' after point M (5, 6) is rotated 90° counterclockwise is (-6,5)
Rotate 90 counter lock wise
(x,y) -> ( -y,x)
(5,6) -> (-6,5)
The answer is (-6,5)
This is really easy for you, just need to memorize the way it changes. Hope this helps!
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