page 272

b²-4ac

                                                       no real solutions.                                                     

                                                         two solutions -4 and -2.

one real solution it is -3.

trapezoid

quadrilateral with: 

• One pair of parallel sides. One pair not.
• The angles on either side of the bases are the same size/measure (congruent).

square

                                                                     

• quadrilateral wiht
• Four congruent sides with four right angles. Bisects each other they are parallel and they bisect.

Rhombus

• quadrilateral withOpposite angles of a parallelogram are congruents. A parallelogram with four congruent sides.

quadrilateral

                                                        Rectangle

A four right angle.  A parallelogram with four congruent sides.