Math Problem Statement

rotate (-4,1) 270 degrees

Solution

To rotate a point (4,1)(-4, 1) 270 degrees counterclockwise around the origin, we can use the standard rotation formulas.

Rotation Formulas

When rotating a point (x,y)(x, y) counterclockwise about the origin:

  1. 90 degrees: (x,y)(y,x)(x, y) \to (-y, x)
  2. 180 degrees: (x,y)(x,y)(x, y) \to (-x, -y)
  3. 270 degrees: (x,y)(y,x)(x, y) \to (y, -x)

Applying the 270-Degree Rotation

Given the point (4,1)(-4, 1), we use the 270-degree formula:

(x,y)(y,x)(x, y) \to (y, -x)

Substitute (x,y)=(4,1)(x, y) = (-4, 1):

(4,1)(1,(4))(-4, 1) \to (1, -(-4))

Simplifying further:

(4,1)(1,4)(-4, 1) \to (1, 4)

Result

After rotating the point (4,1)(-4, 1) 270 degrees counterclockwise, the new coordinates are (1, 4).

Would you like to explore more on rotations or ask something else?

Follow-Up Questions:

  1. What is the result of rotating the point (3, -2) by 90 degrees counterclockwise?
  2. How do you rotate a point by 180 degrees around a different point than the origin?
  3. What is the formula for rotating a point clockwise by 270 degrees?
  4. How would you find the coordinates of a point after rotating it 45 degrees?
  5. What happens if you rotate a point (x, y) by 360 degrees?

Tip: For clockwise rotations, use the counterclockwise formulas with negative angles or adjust accordingly!

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Math Problem Analysis

Mathematical Concepts

Geometry
Coordinate Geometry

Formulas

Rotation formulas for points in the coordinate plane

Theorems

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Suitable Grade Level

Grades 9-12