722 prompts matching "Checking a completed square by expanding it again"
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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
Spot My Mistake: Dividing one surd by another
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Common Mistakes: Expanding the product of two surd brackets
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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
Quiz: Checking a surd equation for extraneous roots
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Spot My Mistake: Testing (a*b)*c against a*(b*c)
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Show All Working: Using distributivity to simplify an expression
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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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Show All Working: The common logarithm, to base ten
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Show All Working: Solving a simple logarithmic equation
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Quiz: Evaluating log to base 3 of 7 by change of base
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Show All Working: Comparing logarithms given in different bases
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Explain Back: Spotting the pattern in a sequence of squares or cubes
I have just studied spotting the pattern in a sequence of squares or cubes in my SS1 Furth
Spot My Mistake: A sequence defined by a recurrence relation
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Show All Working: Deciding whether a number belongs to a given arithmetic progression
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Show All Working: The sum of the terms lying between two given positions
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Common Mistakes: Proving the sum formula by pairing the terms
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Show All Working: A geometric progression with a fractional common ratio
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Spot My Mistake: A compound interest problem modelled by a geometric progression
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