The last too are 6/12 & 21/10
Pleaseee help me .!!

Place the following steps in order to complete the square and solve the quadratic equation,

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.