270 likes | 449 Views
8.1 Radicals/Geometric Mean. Radicals: ____________ _____________________________________ _____________________________________ ____________________________________. Rules for Radicals :. _________________________________ _________________________________ ________________________________.
E N D
Radicals: ____________ • _____________________________________ • _____________________________________ • ____________________________________
Rules for Radicals: • _________________________________ • _________________________________ • ________________________________
Rationalizing: ___________________________ • _______________________________________ • Geometric Mean: ________________________ • _______________________________________ • ____________________________________ • ____________________________________
Corollary 1: _________________________ ___________________________________ ___________________________________ ___________________________________ a y x
Corollary 2: _________________________ ___________________________________ ___________________________________ ___________________________________ s1 s2 x y z
Solve for x, y and a: x y a 16 9
Theorem 8.2: _____________________ ___________________________________ ___________________________________ c a b
Examples: 10 m 5 5 y m-1
15 13 13 x 25
Theorem 8.3: ___________________________ _______________________________________ ___________________________________ ___________________________________ There are a lot of standard families of right triangles. Make your life easier and memorize the head of each family.
3, 4, 5 5, 12, 13 8, 15, 17 7, 24, 25 Memorize the Read ones!!
Examples: 13 50 5 14 y x
What happens if it is not a right triangle? • _______________________________________ • ________________________________________ • _______________________________________
Theorem 8.6: ________________________ ___________________________________ ___________________________________ 45 45
Theorem 8.7: _______________________ ___________________________________ ___________________________________ 60 30
Examples: 45 12 y y 14 45 y x
Examples: 45 y y 45 y x
Examples: 60 60 y x 5 x 30 30 y
Examples: 60 60 y x x 30 30 y
The diagonal of a square is 6 find the perimeter of the square. 6
The perimeter of an Equilateral triangle is 30, find the length of an altitude.