755 prompts matching "A pair that gives no real solution at all"
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Quiz: An indicial equation that becomes a quadratic in a power
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Show All Working: Solving a simple logarithmic equation
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Common Mistakes: Rejecting a root that makes a logarithm undefined
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Worked Example: Converting a logarithm to base ten so that tables can be used
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Worked Example: The alternative sum formula that uses the last term
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Spot My Mistake: Finding the common ratio when the third and sixth terms are given
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Show All Working: A geometric progression with a fractional common ratio
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Spot My Mistake: Solving a linear inequality that contains a fraction
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Common Mistakes: A quadratic inequality that has to be rearranged first
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Show All Working: The region satisfying two linear inequalities together
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IGCSE Additional Maths Y10: Set-builder notation for a domain — Explain It Back
I am in SS 1. I have just studied set-builder notation for a domain for Cambridge IGCSE Ad
IGCSE Additional Maths Y10: Interval notation for a range — Spot My Mistake
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on int
IGCSE Additional Maths Y10: Restricting the domain so that a rule becomes a function — Exam Technique
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Show me how to handle
IGCSE Additional Maths Y10: Evaluating fg of a given number — Explain It Back
I am in SS 1. I have just studied evaluating fg of a given number for Cambridge IGCSE Addi
IGCSE Additional Maths Y10: Finding an inverse graphically — Spot My Mistake
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on fin
IGCSE Additional Maths Y10: Solving a modulus equation algebraically by squaring — Explain It Back
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IGCSE Additional Maths Y10: How many solutions a modulus equation has — Spot My Mistake
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on how
IGCSE Additional Maths Y10: Finding k so that a quadratic has equal roots — Explain It Back
I am in SS 1. I have just studied finding k so that a quadratic has equal roots for Cambri
IGCSE Additional Maths Y10: A line that is a tangent to a curve, and the discriminant — Common Mistakes
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca