A student incorrectly found the inverse of the point $(5, -9)$ to be $(-5, 9)$. What was the student's error?

The student changed the signs of the coordinates but should have swapped their positions.

The student swapped the coordinates but should have also changed the signs.

The student should have only changed the sign of the y-coordinate.

The student performed the correct operation.

4-5 Inverses of Linear Functions Practice — Grade 9 math