487 prompts matching "Assuming a quadratic with a negative discriminant has no roots at all"
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Common Mistakes: Writing a root as a fractional index before simplifying
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Common Mistakes: Rejecting a root that makes a logarithm undefined
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Practice: Finding the nth term of a quadratic sequence
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Show All Working: A geometric progression with a fractional common ratio
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Practice: Reversing the sign when multiplying by a negative number
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Worked Example: The critical values of a quadratic inequality
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Practice: Using a table of signs to solve a quadratic inequality
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Show All Working: Writing a quadratic solution set in interval form
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IGCSE Additional Maths Y10: The notation f colon x maps to 2x plus 3 — Teach Me
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Teach me the notation
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: The graph of a function with a restricted domain — Show All Working
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IGCSE Additional Maths Y10: Writing a quadratic in the form x plus a all squared plus b — Teach Me
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Teach me writing a qua
IGCSE Additional Maths Y10: Completing the square when the coefficient of x squared is not one — Worked Example
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IGCSE Additional Maths Y10: The greatest or the least value of a quadratic — Explain It Back
I am in SS 1. I have just studied the greatest or the least value of a quadratic for Cambr
IGCSE Additional Maths Y10: Proving that a quadratic expression is always positive — Show All Working
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IGCSE Additional Maths Y10: The range of a quadratic function — Common Mistakes
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IGCSE Additional Maths Y10: The discriminant, b squared minus 4ac — Teach Me
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Teach me the discrimin
IGCSE Additional Maths Y10: The discriminant, and where the curve meets the x-axis — Show All Working
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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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