CC Alg I- Gabby Cofsky
Friday, April 18, 2014
Wednesday, March 19, 2014
Vertices:
|
(0,0)
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(0,6)
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(6,0)
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Constraints
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Objective Function: C=3x+4y
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x ≥
0
y ≥
0
x + y ≤ 6
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Vertices:
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||||||||
Constraints
|
Objective Function: C=2x+5y
|
|||||||
x ≥
0
y ≥
0
x + y ≤ 5
|
||||||||
Vertices:
|
||||||||
Constraints
|
Objective Function: C=7x+3y
|
|||||||
x ≥
0
y ≥
0
x + y ≤ 5
|
||||||||
Vertices:
|
||||||||
Constraints
|
Objective Function: C=4x+6y
|
|||||||
x ≥
0
y ≥
0
x + y ≤ 5
|
||||||||
Monday, March 10, 2014
Tuesday, March 4, 2014
Arithmetic & Geometric Sequences
Arithmetic & Geometric Sequences
Arithmetic formula: an= a1 (n + 1) d
Geometric formula: an= a1* r (n-1)
Example: -9, 3, -1, 1/3, 1/9
This is a geometric sequence.
To find the term in a geometric sequence multiply or divide the previous term by “r”.
-9, 3, -1, 1/3, 1/9 r= -1/3
5, -10, 20, -40 r= -2
-10 20 -40
5 -10 20
General forms of a sequence
GENERAL FORMS OF A SEQUENCE
Sequence- Is an ordered list of terms or elements
Geometric sequence formula- In a Geometric Sequence each term is found by multiplying the previous term by a constant. Also called the Common Ratio.
Infinite sequence- Is a function with domain 1,2,3,4.... etc.
Series- Is the sum of a sequence.
Explicit formula- Each domain is an answer not based on any values.
Recursive Formula- Each domain is a answer based on a previous answer.
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