755 prompts matching "When the normal distribution may approximate the binomial"
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Show All Working: Deciding whether two given surds are equal without a calculator
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Worked Example: Adding two surds that simplify to the same root
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Common Mistakes: Expanding the product of two surd brackets
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Learn: Why a surd is never left in the denominator
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Practice: Rationalising a denominator with a whole number multiplying the surd
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Explain Back: Simplifying the answer once the denominator is rational
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Final Revision: Expressing a rationalised answer in the form a root b over c
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Learn: The conjugate of a compound surd expression
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Worked Example: Why multiplying by the conjugate clears the surd
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Practice: Rationalising a denominator of the form a plus root b over c minus root d
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Explain Back: The difference of two squares applied to surd conjugates
I have just studied the difference of two squares applied to surd conjugates in my SS1 Fur
WAEC Prep: Expressing the answer in the form a plus b root c
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Show All Working: A conjugate where the surd term comes first
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Explain Back: Solving an equation where the surd must be isolated first
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WAEC Prep: Equating the rational and the irrational parts of an equation
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Worked Example: Reading the symbol used for a binary operation
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Explain Back: A binary operation defined on the integers
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Final Revision: Deciding whether a given rule really is a binary operation
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