1
Q
Definition and notation for
Permutation
A
Arrangements of objects where order matters.
n>P>r
(n>r)
n! / (n-r)!
2
Q
Definition, notation and formula for
Combination
A
Arrangements where order doesn’t matter.
n>C>r
(n>r) = n! / r! (n-r)!
3
Q
Define
Multiplication Rule
A
When a AND b are both being chosen, multiply the combinations.
eg, when choosing a bagel type and spread, combinations of bagels times combinations of spreads.
4
Q
Define
Addition Rule
A
When you choose a OR b, add
eg, having ice cream OR chocolate, combinations of ice cream times combinations of chocolate.
Maths Unit 1
flashcards
Decks in class (20)
# Cards
-
1.1 Set Descriptions and Notations2
-
1.2 Combinations4
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1.3 Pascal's Triangle8
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2.1 Probability Fundamentals3
-
2.2 Probability experiments involving sets4
-
2.3 Probability experiments involving stages2
-
2.4 Probability experiments involving selections2
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2.5 Conditional property2
-
2.6 Independent events4
-
2.7 Relative frequencies and indications of independence1
-
3.1 Sketching Linear Graphs8
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3.2 Determining Equation of Linear Graph7
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3.3 Expanding3
-
3.4 Factorizing3
-
3.5 Factorising Quadratics (ax^2 + bx + c = 0)2
-
3.6 Completing the square1
-
3.7 Quadratic Formula2
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3.8 + 3.9 Sketching parabolas from turning point10
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3.10 Simultaneous Equations -Linear and Quadratic Relationships3
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3.11 Finding equation from graph1
