What type of angle is angle M ? the picture is below please help me :( i dont understand this Ill give you 30 points for being helpful :)

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

When only separate discreet points are graphed it is called?