Maths C1 Flashcards

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Algebra & Functions - Surds
(i) √xy = √x * √y (ii) √x/y = √x/√y (iii) a√x ± b√x = (a ± b)√x
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Algebra & Functions - Rationalizing Surds
Given 1/√a, multiply by √a/√a. Given 1/a ± √b, multiply by a ± √b / a ± √b
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Algebra and Functions - Indices
(i) (a^m)^n = a^mn (ii) a^-n = 1/a^n (iii) a^1/n = n√a (iv) a^m/n = n√a^m = (n√a)^m
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Algebra & Functions - Discriminant
For f(x) = 0, b^2 - 4ac > 0 --> two real, distinct roots. b^2 - 4ac = 0 --> two real, equal roots. b^2 - 4ac < 0 --> two unreal roots
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basa
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Other cards in this set

Card 2

Front

Given 1/√a, multiply by √a/√a. Given 1/a ± √b, multiply by a ± √b / a ± √b

Back

Algebra & Functions - Rationalizing Surds

Card 3

Front

(i) (a^m)^n = a^mn (ii) a^-n = 1/a^n (iii) a^1/n = n√a (iv) a^m/n = n√a^m = (n√a)^m

Back

Preview of the back of card 3

Card 4

Front

For f(x) = 0, b^2 - 4ac > 0 --> two real, distinct roots. b^2 - 4ac = 0 --> two real, equal roots. b^2 - 4ac < 0 --> two unreal roots

Back

Preview of the back of card 4

Card 5

Front

basa

Back

Preview of the back of card 5

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