755 prompts matching "Explain the quadratic formula back to me"
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Common Mistakes: Proving the sum formula by pairing the terms
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Worked Example: Finding the common ratio of a geometric progression
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Worked Example: Adding or subtracting the same number on both sides
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Practice: Using a table of signs to solve a quadratic inequality
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Spot My Mistake: The solution when the quadratic expression is less than nought
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Common Mistakes: A quadratic inequality that has to be rearranged first
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Final Revision: A word problem that leads to a quadratic inequality
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IGCSE Additional Maths Y10: Choosing the substitution that reveals the quadratic — Spot My Mistake
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IGCSE Additional Maths Y10: A surd appearing in the solution of a quadratic — Spot My Mistake
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IGCSE Additional Maths Y10: A word problem leading to a linear and a quadratic equation — Show All Working
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Fractional indices with numerator above 1
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Rewriting different bases as the same base
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Multiplying two surds together
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Simplifying a fraction with a surd numerator
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Multiplying three surds together
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Rationalising the denominator when it's a surd minus a surd
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Disjoint sets and what they mean
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Using sets to test simple logical statements
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Deciding whether a geometric series converges
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Finding an unknown coordinate using the gradient formula
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