1. 7.2 Quadratic Story Problems
Brett Solberg AHS ‘11-’12

2. Warm-up Get out your completed homework for a stamp.
We will review a few problems to begin class.
Get out your notes and a pencil.

3. Today’s Agenda HW Check Test Review 8.2 Story Problems and Quadratics
Announcement
EC Complete the Square WS

4. Chapter 7 Test People who still need to take the test 2nd 4th 8th
Average 21.5/36 = 59.7%
High 36
4th
Average 23.52/36 = 65.3%
High 37
8th
Average 17.75/36 = 49%
High 33
People who still need to take the test
Brandee, Max, Anna, Jonah, Josh, & Chad

5. Problem Solving Guidelines
1) Understand the problem
What is the problem asking?
What do we know?
2) Develop and carry out a plan.
Draw a picture, label
Use formulas
3) Find the answer and check.
Solve

6. Formulas Area Pythagorean Theorem Distance Rectangle: length x width
a2 + b2 = c2
right triangle, c hypotenuse, a & b legs
Distance
d = rt

7. Dimensions of A Dock Width is 7 meters less than the length
Area = 60 m2

8. Dimensions of Farm Plot
Area = 200 yards2
Perimeter = 60 yards

9. Ladder and the Wall Ladder is 2 feet longer than height of wall.
Distance from base to wall = height

10. Runners Speed Runner A is 4 km/h faster than runner B
After 2 hours, they are 40 km apart

11. Picture Frame Width 14 x 20 Frame
Area of rectangle inside frame is 160 cm2

12. Homework
8.2 p 349 #1 – 19