1. Pre-Calculus Coordinate System

2. Formulas  Copy the following formulas into your notes. –Distance Formula for Coordinate Plane –Midpoint Formula for Coordinate Plane –Standard Equation of a circle –Pythagorean Theorem

3. Examples  Find the distance AND midpoint of the following: 1) (2,5) and (-3,7) 2) (1/2, 4) and (-2,0)

4. Find the perimeter and area of the right triangle (-4,4) (3,3) (0,0)

5. Homework  Pg. 20 #12-28 even and the given problems: 1)You are given points (1,1) (3,2) (-1,2) (2,4). Find the perimeter of this quadrilateral. 2) Create a perimeter problem for a triangle. You will need to provide the points and then show the steps for dining perimeter. Pg 22 #42-48, 53, 54, 65