755 prompts matching "Why the square root of a negative number needs i"
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IGCSE Additional Maths Y10: No real roots, and what the discriminant shows — Practice Set
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a practice set
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: Rejecting a root that the substitution forbids — Show All Working
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a question on r
IGCSE Additional Maths Y10: The restriction that the argument of a logarithm must be positive — Common Mistakes
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IGCSE Additional Maths Y10: Rejecting an invalid root of a logarithmic equation — Explain It Back
I am in SS 1. I have just studied rejecting an invalid root of a logarithmic equation for
IGCSE Additional Maths Y10: The half-life of a decaying quantity — Common Mistakes
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IGCSE Additional Maths Y10: Reading the intercept off a linear-form graph — Common Mistakes
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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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IGCSE Additional Maths Y10: The altitude of a triangle drawn from one vertex — Common Mistakes
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IGCSE Additional Maths Y10: The diagonals of a quadrilateral, and where they meet — Common Mistakes
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IGCSE Additional Maths Y10: A cubic with a repeated root, and how the curve touches the axis — Practice Set
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a practice set
IGCSE Additional Maths Y10: The effect of a transformation on the coordinates of a point — Common Mistakes
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IGCSE Additional Maths Y10: Drawing the extra straight line needed to solve an equation — Practice Set
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a practice set
Comparing the size of two surds
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on comp
Finding the nth term of an arithmetic sequence
I am in SS 1. I'm going to explain finding the nth term formula of an arithmetic sequence,
Sum of the first n terms of an arithmetic series
I am in SS 1. I attempted an Additional Maths question on using the formula Sn = n/2 (2a +
Sum of an arithmetic series given the first and last term
I am in SS 1. Teach me using the formula Sn = n/2 (a + l) to find the sum of an arithmetic
Finding the nth term of a geometric sequence
I am in SS 1. Quiz me with 5 short Additional Maths questions on finding the nth term form
Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Finding a term given the sum of a series
I am in SS 1. I'm going to explain finding a specific term of a sequence by first finding