Math Problem Statement
What is the image of the point left parenthesis, minus, 2, comma, minus, 7, right parenthesis(−2,−7) after a rotation of 90, degrees90 ∘ counterclockwise about the origin?
Solution
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Math Problem Analysis
Mathematical Concepts
Coordinate Geometry
Rotations in the Cartesian Plane
Formulas
(x, y) → (-y, x) for 90-degree counterclockwise rotation
Theorems
Rotation transformation rule for 90 degrees counterclockwise
Suitable Grade Level
Grades 9-10
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