739 prompts matching "Learn: What makes an argument valid"
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Explain Back: The solution when the quadratic expression is greater than nought
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Common Mistakes: A quadratic inequality that has to be rearranged first
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Explain Back: Solving an inequality such as modulus of 2x minus 1 less than 5
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IGCSE Additional Maths Y10: Why the graph of an inverse is a reflection — Explain It Back
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IGCSE Additional Maths Y10: The range of a quadratic function — Common Mistakes
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IGCSE Additional Maths Y10: A line that is a tangent to a curve, and the discriminant — Common Mistakes
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IGCSE Additional Maths Y10: Writing the answer with the word 'and' or the word 'or' — Explain It Back
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IGCSE Additional Maths Y10: The range of values of x that satisfies a stated condition — Common Mistakes
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IGCSE Additional Maths Y10: An algebraic expression carrying a fractional index — Explain It Back
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IGCSE Additional Maths Y10: Writing an expression in the form a x to the power n — Common Mistakes
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IGCSE Additional Maths Y10: Expanding brackets that contain surds — Explain It Back
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IGCSE Additional Maths Y10: Expressing a surd answer in the form the question demands — Common Mistakes
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IGCSE Additional Maths Y10: A simultaneous pair with only one solution — Explain It Back
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IGCSE Additional Maths Y10: The power law applied to an algebraic expression — Explain It Back
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IGCSE Additional Maths Y10: An equation in e to the power x that is a hidden quadratic — Explain It Back
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IGCSE Additional Maths Y10: The half-life of a decaying quantity — Common Mistakes
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IGCSE Additional Maths Y10: Choosing what to plot on each axis — Practice Set
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IGCSE Additional Maths Y10: Finding a and n from the gradient and the intercept — Explain It Back
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IGCSE Additional Maths Y10: The intercepts a line makes on both axes — Spot My Mistake
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IGCSE Additional Maths Y10: The gradient of a horizontal line and of a vertical line — Common Mistakes
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