$x^2+2x-3=0$ 
Solve the equation

• -3 и 1
  

• 3 и -1
  

• 1 и 3
  

• -1 и -3
  

How many sides does a Quadrilateral have?

• 4

• 6

• 9

• 3

A parallelogram with all sides of equal length is a ________

• triangle

• trapezoid

• rhombus

• pentagon

The ________________ of a trapezoid is the segment that connects the midpoints of its legs.

What is the most specific name for quadrilateral ABCD?

• Parallelogram

• Rhombus

• Square

• Rectangle

True or False

It is enough information given in the diagram to show that quadrilateral JKLM is a square.

• True

• False

By definition, a parallelogram is a quadrilateral with both pairs of opposite sides parallel. Other properties of parallelograms:

• Opposite sides are congruent.

• Diagonals bisect each other.

• Two pairs of consecutive congruent sides.

• Opposite angles are congruent.

• Consecutive angles are supplementary.

Find a Distance Formula for two points  $A\left(x_1;y_1\right)$ and  $B\left(x_2;y_2\right)$ 

•  $d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}$  

•  $d=\sqrt{\left(x-x_0\right)^2+\left(y-y_0\right)^2}$  

•  $d=\frac{y_2-y_1}{x_2-x_1}$  

Use the translation  $(x,y)→(x-8,y+4)$ . What is the image of  $A(2,6)$  ?

Name the vector and write its component form.

• CD, (7; 3)

• DC, (7; -3)

• CD, (7; -3)

• DC, (-7; 3)