755 prompts matching "IGCSE Additional Maths Y11: Expanding one plus x, all to the power n — Worked Ex"
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Simplifying a fraction of two bracketed index terms
I am in SS 1. I'm going to explain simplifying a fraction of index expressions down to a s
Evaluating a negative fractional index
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Solving 4^x = 8^(x-1) by matching bases
I am in SS 1. I'm going to explain solving the equation 4^x = 8^(x-1) by writing both side
Index laws with an unknown letter base
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Verifying an index law with numbers
I am in SS 1. I'm going to explain verifying that a^m divided by a^n equals a^(m-n) using
Evaluating (1/2)^-3 without a calculator
I am in SS 1. I attempted an Additional Maths question on evaluating (1/2)^-3 fully withou
Simplifying indices before adding like terms
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Index expression with three unknown letters
I am in SS 1. I'm going to explain simplifying an expression with three letters and mixed
Multi-part index exam question with a real context
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Adding and subtracting like surds
I am in SS 1. I'm going to explain adding and subtracting surds that share the same irrati
Multiplying two surds together
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Rationalising a denominator with a surd and integer
I am in SS 1. I'm going to explain rationalising a denominator such as 6 divided by (2 roo
Rationalising a more complex conjugate denominator
I am in SS 1. I attempted an Additional Maths question on rationalising a fraction with a
Solving a surd equation with terms on both sides
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Estimating the value of a surd
I am in SS 1. I'm going to explain estimating the approximate value of a surd such as root
Distinguishing rational and irrational numbers
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Dividing surds using the quotient rule
I am in SS 1. I'm going to explain simplifying a quotient of surds using the rule root a d
Rationalising the denominator when it's a surd minus a surd
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Simplifying nested surds
I am in SS 1. I'm going to explain simplifying an expression containing a surd within a su
Explaining why we rationalise denominators
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