Question

What is the image of the point (-5, -8) when rotated 90 degrees anticlockwise about the origin?

(-5, -8)
(5, 8)
(8, 5)
(8, -5)

Answer 1

Answer: 8,5 because its clockwise

Answer 2

When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). In other words, switch x and y and make y negative

Explanation: