The vertices of quadrilateral HIJK are H(2, 2), I(-2, 2), J(-2, -2), and K(2, -2). Find the coordinates of the image of quadrilateral HIJK after a rotation of 180 degrees about the origin, a translation using the rule (x, y) → (x + 2, y + 2), and a reflection over the x-axis

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

How to determine whether two known pairs of points are on the same line.

Which of the following expressions are equivalent ?