Math Problem Statement
What is the image of the point left parenthesis, 8, comma, minus, 9, right parenthesis(8,−9) after a rotation of 90, degrees90 ∘ counterclockwise about the origin?
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Coordinate Plane
Rotations
Formulas
(x', y') = (-y, x)
Theorems
Rotation Transformation
Suitable Grade Level
Grades 8-10
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