Question

Point K(–2, 1) is rotated 90° about the origin. What are the coordinates of K′?

Answer 1

Answer:

The co-ordinates of K¹( -1 , -2 )

Step-by-step explanation:

Explanation:-

Given that the point K( -2,1 )

when rotating a point 90° about the origin

Given  point A(x,y) transformation  to  A¹( - y,x )

Given point K(-2,1) → K¹ ( -(1) , -2)

Final answer:-

The co-ordinates of K¹( -1 , -2 )