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21 Cards in this Set
- Front
- Back
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NATURAL NUMBERS
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{1, 2, 3, 4...}
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WHOLE NUMBERS
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{0, 1, 2, 3, 4...}
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INTEGERS
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{-2, -1, 0, 1, 2...}
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RATIONAL NUMBERS
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{All terminating & recurring decimals + fractions + integers.}
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IRRATIONAL NUMBERS
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{Non-terminating & non-recurring decimals. eg: (pi), square root of 3, square root of 15, cube root of 11...}
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IRRATIONAL NUMBERS
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{Non-terminating & non-recurring decimals. eg:
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REAL NUMBERS
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{ <rational> U <irrational> }
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HCF
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The highest common factor between 2 or more numbers.
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LCM
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The lowest common multiple of 2 or more numbers.
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THE IDENTITY ELEMENT
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For addition and subtraction, is 0.
For multiplication and division, is 1. |
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SQUARING
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This is to multiply by itself.
(The inverse is square rooting.) |
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CUBING
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This is to multiply by itself 3 times.
(The inverse is cube rooting.) |
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BODMAS
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Brackets
Of Division Multiplication Addition Subtraction |
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EXPONENTS (4 LAWS)
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LAW 1: When we multiply bases that are the same we add the exponents.
LAW 2: When we divide bases that are the same we subtract the exponents. LAW 3: When we raise to a further power we multiply exponents. LAW 4: Everything in the bracket must be raised. |
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ALGEBRA (TO REMEMBER)
TERM |
A number &/or variable joined by x/÷
Eg: 5x |
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ALGEBRA (TO REMEMBER)
EXPRESSION |
Terms separated by +/-
Eg: 3x + 7 |
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ALGEBRA (TO REMEMBER)
COEFFICIENT |
A number or variable multiplied by another variable.
Eg: -5 is the coefficient of y in -5y. |
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ALGEBRA (TO REMEMBER)
POLYNOMIAL |
Any expression.
Eg: 1 term = monomial = 5x 2 terms = binomial = 5x - 2 3 terms = trinomial = x"2 + 4x + 2 4 terms = quadrinomial = 4x"3 - 2x"2 + 7x - 1 |
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ALGEBRA (TO REMEMBER)
CONSTANT |
A number by itself.
Eg: 5 |
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FOIL
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Firsts
Outers Inners Lasts Eg: (2x - 3)(x + 1) |
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FACTORISING
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Write as a product (always look for common factors first).
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