755 prompts matching "The determinant Dz in a system of three unknowns"
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Area of a triangle from three coordinates
I am in SS 1. I'm going to explain finding the area of a triangle given the coordinates of
Finding the equation of a median of a triangle
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Expanding a product of three brackets
I am in SS 1. I'm going to explain expanding a product of three linear brackets, such as (
Spot My Mistake: A binary operation defined on a set of three elements
Act as my SS1 Further Mathematics tutor. Work a question on a binary operation defined on
Final Revision: The characteristic and the mantissa of a logarithm
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of t
IGCSE Additional Maths Y10: A logarithmic equation with the unknown in the base — Common Mistakes
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
Comparing the size of two large index numbers
I am in SS 1. Quiz me with 5 short Additional Maths questions on comparing the size of two
Laws of indices with three different bases in one line
I am in SS 1. I attempted an Additional Maths question on simplifying an expression that c
Explaining why a^1/n means the nth root of a
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Index expression with three unknown letters
I am in SS 1. I'm going to explain simplifying an expression with three letters and mixed
Reviewing all the laws of indices before a test
I am in SS 1. Quiz me with 3 short Additional Maths questions on reviewing every law of in
Simplifying the square root of a larger number
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Estimating the value of a surd
I am in SS 1. I'm going to explain estimating the approximate value of a surd such as root
Multiplying three surds together
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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,
Finding the nth term of a geometric sequence
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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
Finding the equation of a line parallel to the x-axis or y-axis through a point
I am in SS 1. I'm going to explain finding the equation of a line through a given point th
Finding the equation of a circle from its centre and radius
I am in SS 1. Teach me finding the equation of a circle in the form (x-a)^2 + (y-b)^2 = r^
Finding an unknown coordinate using the gradient formula
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