755 prompts matching "The discriminant, and what each of its three cases means"
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Quiz: Writing a recurring decimal as a fraction to show it is rational
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Practice: Collecting similar surds in an expression
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Practice: Multiplying a whole number by a surd
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Explain Back: Multiplying root a by root b
I have just studied multiplying root a by root b in my SS1 Further Mathematics class. Let
Quiz: Checking a surd equation for extraneous roots
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Spot My Mistake: Solving a surd equation that leads to a quadratic
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Quiz: Evaluating a*b from a given rule
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Practice: A binary operation set out as a table
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Practice: Testing a set for closure under multiplication
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Practice: An operation that is not commutative, with a counter-example
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Spot My Mistake: Testing (a*b)*c against a*(b*c)
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Practice: Multiplication distributing over addition in ordinary arithmetic
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Explain Back: Showing distributivity fails by a counter-example
I have just studied showing distributivity fails by a counter-example in my SS1 Further Ma
Spot My Mistake: Checking distributivity from two operation tables
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Practice: Why an identity element must work from both sides
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Practice: A fractional index with numerator one, read as a root
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Explain Back: A fractional index with a numerator above one
I have just studied a fractional index with a numerator above one in my SS1 Further Mathem
Spot My Mistake: A negative fractional index
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Quiz: An indicial equation that becomes a quadratic in a power
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Spot My Mistake: An indicial equation involving fractional bases
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