755 prompts matching "The distance between two points in three dimensions"
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Worked Example: Why the square root of a non-square whole number is irrational
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Quiz: Writing a recurring decimal as a fraction to show it is rational
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Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
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Show All Working: Classifying a mixed list of numbers as rational or irrational
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Practice: Collecting similar surds in an expression
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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
WAEC Prep: Ordering a list of surds by size
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Learn: Simplifying root 72 into its simplest form
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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
WAEC Prep: Squaring a single surd
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Show All Working: Simplifying a surd expression that contains brackets
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Worked Example: Rationalising a denominator that is a single surd
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WAEC Prep: Rationalising a denominator inside a larger expression
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Show All Working: Checking a rationalised answer by decimal approximation
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Learn: The conjugate of a compound surd expression
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Learn: Solving an equation with a single square root term
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Worked Example: Squaring both sides safely when solving a surd equation
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Quiz: Checking a surd equation for extraneous roots
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