Parallelograms in the Coordinate Plane

To prove two sides are parallel we use the

• distance formula

• slope formula

• midpoint formula

• Parallelogram

• Square

• Rectangle

• Rhombus

Which could tell you that this is a parallelogram?

• Opposite angles are supplementary

• Consecutive angles are supplementary

• Opposite sides are parallel

• Diagonals bisect each other

• This is not a parallelogram

If you think this shape is a parallelogram, which of the following could prove it?

• Opposite Sides are congruent

• Opposite sides are parallel

• Diagonals are congruent

• Diagonals bisect each other

• Diagonals are perpendicular

You have plotted the parallelogram in the picture. What is the slope of line BC without having to use the slope formula?

• 0

• Undefined