1. 17 March 2011 Warm UP– silently please
1) HOMEWORK DUE NEXT CLASS:
pg. 490: 1 – 15 odds
start by writing the problem exactly as given
2) WARM UP- see next slide

2. Warm up C is the midpoint of AE and BD 2. Solve for x
Name the congruent triangles and why?
2. Solve for x
Find the length of d
4. Find the missing length
5. Triangle ABD is an Isosceles
6. Complete the list of perfect squares:
4, 9, 16, ___, ___, 49, ____, 81, ____, 100

3. Students will be able to simplify radical expressions
Objective
Students will be able to simplify radical expressions
Homework Due TODAY
pg. 486: 1- 6, 13-15
Include sketch, formula, substitution, math, units
√ or X or -10

4. Chapter 9 Pythagorean Theorem Definition
Term
Definition
Example
Converse of the
Pythagorean Theorem
If the lengths of the three sides of a triangle satisfy the Pythagorean equation, then the triangle is a right triangle
Pythagorean triples
Three positive integers that work in the Pythagorean equation

5. Use the converse of the Pythagorean Theorem to determine whether each triangle is a right triangle
Find y:

6. words to know
factors- a number that can evenly be divided into another number i.e. factors of 24 = 1, 2, 3, 4, 6, 8, 12, 24 prime factors- a factor that is divisible only by itself or 1 perfect square- a number that is a product of some integer with itself prime factorization- expressing a number as a product of prime numbers

7. prime factoring
Use repeated division by prime factors or use a factoring tree:

8. Practice
Find the prime factors of: 1) 100 2) 200 3) 156 4) 75 5) 150

9. properties of radicals
1) 2) 3) 4)

10. see page 489
read together Example A: simplify Example B: Multiply by PRACTICE– Class work- do pg. 490: 2 – 16 evens

11. Quiz silently
Do your best. Show formula, math, substitution, units When you are finished you may silently work on your homework.