730 prompts matching "Factorising an expression with a common algebraic bracket factor"
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Explain Back: Why 2 root 3 and 5 root 3 count as similar surds
I have just studied why 2 root 3 and 5 root 3 count as similar surds in my SS1 Further Mat
Common Mistakes: Expressing root 50 as a multiple of root 2
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Explain Back: Simplifying the answer once the denominator is rational
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Show All Working: Checking a rationalised answer by decimal approximation
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Common Mistakes: Rationalising when both terms of the denominator are surds
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Explain Back: Solving an equation where the surd must be isolated first
I have just studied solving an equation where the surd must be isolated first in my SS1 Fu
Show All Working: Finding a and b when a plus b root 2 equals a given surd
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Common Mistakes: A surd equation that has no real solution
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Common Mistakes: A binary operation that is ordinary addition in disguise
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Common Mistakes: Closure on a set of three elements under a stated rule
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Explain Back: What it means for an operation to be associative
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Show All Working: An operation that is associative but not commutative
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Common Mistakes: Distributivity on a set of three elements
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Practice: Why an identity element must work from both sides
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Explain Back: What an inverse element is
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Practice: The law for a power raised to another power
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Common Mistakes: Why the index laws need the bases to match
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Explain Back: A fractional index with a numerator above one
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Common Mistakes: Writing a root as a fractional index before simplifying
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