Math Problem Statement
Determine the coordinates for C' after a 90 degree rotation counterclockwise. The coordinates for C' are (0,-3). The coordinates for the original point, C, are (0,3)
Solution
To determine if the provided coordinates for are correct after a 90-degree counterclockwise rotation, let's analyze the original point and perform the rotation.
Original Point
The original coordinates for point are given as .
90-Degree Counterclockwise Rotation
For a 90-degree counterclockwise rotation around the origin, the transformation rules for the coordinates are:
- If the original point is , the new point after the rotation will be .
Applying these rules to point :
- Original coordinates of :
- Rotated coordinates for :
Given Answer Analysis
The given coordinates for are .
Conclusion
There is an error in the given answer. After a 90-degree counterclockwise rotation, the coordinates for should be and not .
Would you like more details on this problem, or do you have any other questions?
Here are some related questions you might find interesting:
- How do you perform a 180-degree rotation on a coordinate plane?
- What are the general rules for rotating a point 270 degrees counterclockwise?
- Can you explain the effect of different rotation angles on coordinates?
- How do you determine the center of rotation for a set of points?
- What is the difference between clockwise and counterclockwise rotations in coordinate transformations?
Tip: When performing coordinate transformations, it's helpful to visualize or sketch the points on a graph to see the effects of the transformation clearly.
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Math Problem Analysis
Mathematical Concepts
Coordinate Geometry
Rotation Transformations
Formulas
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Theorems
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Suitable Grade Level
Grades 6-8
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