442 prompts matching "A quadratic with a repeated root"
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Show All Working: Deciding whether two given surds are equal without a calculator
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Worked Example: Adding two surds that simplify to the same root
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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
Practice: Rationalising a denominator with a whole number multiplying the surd
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Practice: Rationalising a denominator of the form a plus root b over c minus root d
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Practice: Solving an equation with a surd on each side
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Show All Working: Finding a and b when a plus b root 2 equals a given surd
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Show All Working: Evaluating a repeated operation such as a*(b*c)
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Practice: An operation that is not commutative, with a counter-example
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Show All Working: An element with no inverse under a given operation
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Show All Working: Simplifying an expression with letters and indices
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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
Common Mistakes: Writing a root as a fractional index before simplifying
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Explain Back: An indicial equation with the unknown in the exponent on both sides
I have just studied an indicial equation with the unknown in the exponent on both sides in
Common Mistakes: Rejecting a root that makes a logarithm undefined
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Practice: Finding the nth term of a quadratic sequence
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Common Mistakes: An arithmetic progression with a negative common difference
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