1,045 prompts matching "The determinant of a 2 by 2 matrix as ad minus bc"
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Worked example: solve x^2+4x+13=0 giving the roots as complex numbers
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Real-life application of completing the square
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Real-life application of the remainder theorem
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Real-life application of the binomial theorem
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Real-life application of the factor theorem
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Real-life application of the condition for a line to be tangent to a curve
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Explain Back: Writing the answers as ordered pairs
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Worked Example: The discriminant used as the test for intersection
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Quiz: The biconditional as two conditionals taken together
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Quiz: Expanding a bracket to the power four using Pascal's triangle
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IGCSE Additional Maths Y11: Finding the angle at the centre from a given arc length — Spot My Mistake
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IGCSE Additional Maths Y11: Comparing the sine graph with the cosine graph — Exam Technique
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IGCSE Additional Maths Y11: The commonest error made in proving an identity — Exam Technique
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IGCSE Additional Maths Y11: The identity one plus cot squared equals cosec squared — Spot My Mistake
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IGCSE Additional Maths Y11: Differentiating a quotient in the Cambridge style — Exam Technique
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IGCSE Additional Maths Y11: A minimum point, and what the second derivative shows there — Spot My Mistake
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IGCSE Additional Maths Y11: The shortest distance from a point to a curve — Spot My Mistake
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IGCSE Additional Maths Y11: Stating the answer with its proper units — Exam Technique
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IGCSE Additional Maths Y11: The rate at which a shadow lengthens — Spot My Mistake
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IGCSE Additional Maths Y11: The area between a curve and the y-axis — Spot My Mistake
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on the