More Related Content Similar to Math for 800 07 powers, roots and sequences (20) Math for 800 07 powers, roots and sequences6. 1
2
3
... n
n times
a a
a a a
a a a a
a a a a a
EXPONENTS
Square
Cube
8. 0 a 1, when a 0
ZERO EXPONENT
0
0
0
2 1
5 1
1
1
4
9. when:
, and n is even
0 n a
a 0
a 0
PROPERTIES OF THE
EXPONENTS
4
3
4
2 16
2 8
2 16
10. when:
, and n is odd
0 n a
a 0
PROPERTIES OF THE
EXPONENTS
3
3
2 8
3 27
11. even
odd
positive positive
positive positive
even
odd
negative positive
negative negative
ODD/EVEN EXPONENTS
4
5
2 16
2 32
4
5
2 16
2 32
12. , when n > 0
is undefined
0n
0 0 n
0 0
POWERS OF ZERO
13. 2 m m m a a a
ADDITION OF POWERS
3 3 3 a a 2a
2 2 2 3a 5a 8a
14. m m m a b a b
If a 0, b 0, and m 1, then
2 2 2 a b a b
15. 0 m m a a
SUBTRACTION OF
POWERS
3 3 a a 0
2 2 2 7a 4a 3a
16. m m m a b a b
If a 0, b 0, a b, and m 1, then
3 3 3 a b a b
17. m n m n a a a
MULTIPLICATION OF
POWERS
23 24 27
7 2 2 2 2 2 2 2 2
18. 7
4
3
2
2
2
DIVISION OF POWERS
m
m n
n
a
a
a
4 2 2 2 2 2 2 2
2 2 2 2 2
2 2 2
19. k 1 k a a a 1
k
k a
a
a
MULTIPLICATION/DIVISION
OF POWERS
20. n
m m n a a
POWERS TO A POWER
4
23 212
4
12
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
2
21. m m m ab a b
POWER OF A PRODUCTS
2 2 2 23 2 3
2
2 2
2 3 2 3 2 3
2 3
22. p
m n mp np a b a b
2
4 5 8 10 2 3 2 3
2
4 5 4 5 4 5
4 5 4 5
8 10
2 3 2 3 2 3
2 3 2 3
2 3
23. 2 2
2
3 3
4 4
POWER OF QUOTIENTS
m m
m
a a
b b
2 2
2
3 3 3 3
4 4 4 4
24. n a
1 1
n
n
n a
a a
1 n
n a
a
NEGATIVE EXPONENTS
3
3
1
2
2
3
3
1
2
2
29. 3
... n
n times
b a a a b
c a a a a c
d a a a a a d
ROOTS
Square root
Cubic root
31. a b a b
a b a b
ADDITION/SUSTRACTION
OF ROOTS
9 16 9 16
25 16 25 16
32. a b ab
ab a b
MULTIPLYING ROOTS
4 9 36 6
36 4 9 4 9 6
33. a a
b b
a a
b b
DIVIDING ROOTS
36 36
2
9 9
36 36
2
9 9
34. a a b
b b b
a b
b
RATIONALIZATION
2 2 3
3 3 3
2 3
3
35. 1
m
n n m
n n
a a
a a
FRACTIONAL EXPONENT
2
3 3 2
1
2 2 1
8 8 4
9 9 9 3
36.
1
1
n
n
n n
a a
a a
If a ≥ 0
FRACTIONAL EXPONENT
3
1
3
1
3 3
2 2
2 2
37. n
n
n n
a a
a a
If a ≥ 0
FRACTIONAL EXPONENT
3
3
3 3
2 2
2 2
38. m n m n
m n n m
a a
a a
If a ≥ 0
ROOT OF A ROOT
2 3 2 3 6
2 3 3 2 6
64 64 64 2
64 64 64 2
44. SEQUENCE
The first term of a sequence is represented by a1, the second term a2, and so on to the nth term, an. 45. 2 1 1 2 ..., , , , , ,... n n n n n a a a a a
SEQUENCE
..., a2 , a3, a4 , a5 , a6 , ...
46. ARITHMETIC SEQUENCES
A sequence in which each term, after the first, if found by adding a constant, called the common difference, to the previous term.
2, 5, 8, 11, 14, … 47. 2
5
8
11
14
a1
a2
a3
a4
a5
2, 5, 8, 11, 14, … 48. 1 1 1 1 1
1 2 3 4
, , 2 , 3 ,..., 1
, , , ,..., n
a a d a d a d a n d
a a a a a
2, 5, 8, 11, 14, …
an a1 n 1d
51. GEOMETRIC SEQUENCES
A sequence in which each term after the first is found by multiplying the previous term by a constant called the common ratio.
2, 6, 18, 54, 162, … 53. 2 3 1
1 1 1 1 1
1 3 3 4
, , , ,...,
, , , ,...,
n
n
a a r a r a r a r
a a a a a
2, 6, 18, 54, 162, …
1
1
n
n a a r