755 prompts matching "Use the quadratic formula on 3x^2 + 5x + 1 = 0"
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Worked Example: Which form of the sum formula to use when r is less than one
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IGCSE Additional Maths Y10: A surd arising from the quadratic formula — Show All Working
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Surds in the quadratic formula
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Learn: The formula for the sum of the first n terms of an arithmetic progression
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Worked Example: The alternative sum formula that uses the last term
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Learn: The formula for the sum of the first n terms of a geometric progression
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Finding n(A union B) using the formula
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Applying the sum to infinity formula when the ratio lies between minus one and one
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Finding the first term or common difference from the sum formula
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Spot My Mistake: Simplifying the denominator once the conjugate has been used
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Worked Example: Reading the symbol used for a binary operation
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Quiz: The formula for the nth term of an arithmetic progression
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Common Mistakes: Proving the sum formula by pairing the terms
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Quiz: The formula for the nth term of a geometric progression
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Final Revision: Proving the sum formula for a geometric progression
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Explain Back: The solution when the quadratic expression is greater than nought
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Spot My Mistake: The solution when the quadratic expression is less than nought
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IGCSE Additional Maths Y10: Sketching the inverse of a quadratic with a restricted domain — Common Mistakes
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IGCSE Additional Maths Y10: Writing a quadratic in the form x plus a all squared plus b — Teach Me
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IGCSE Additional Maths Y10: The greatest or the least value of a quadratic — Explain It Back
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