755 prompts matching "When the matrix method is worth the work for three unknowns"
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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
Dividing surds using the quotient rule
I am in SS 1. I'm going to explain simplifying a quotient of surds using the rule root a d
Proving a surd statement is true or false
I am in SS 1. I attempted an Additional Maths question on proving whether a given surd sta
Working with cube roots as a type of surd
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Explaining why we rationalise denominators
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Rationalising a denominator with three surd terms
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Full WAEC-style set theory past question
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Common mistakes with set notation
Quiz me with 4 short Additional Maths questions on the most common set notation mistakes S
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 number of terms in an arithmetic series
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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
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Sigma notation for a sum
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Sum of the first n odd numbers
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Explaining the difference between a sequence and a series
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Finding the point of intersection of two lines
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Reviewing all coordinate geometry formulas before a test
I am in SS 1. Quiz me with 5 short Additional Maths questions on a structured review of ev
Finding the equation of a median of a triangle
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Locus problem: points equidistant from two fixed points
I am in SS 1. Quiz me with 3 short Additional Maths questions on a locus-style coordinate
Factorising by taking out a common factor
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