755 prompts matching "The determinant of a 3 by 3 matrix with two equal rows"
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Coordinate geometry proof: right-angled triangle
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on usin
Coordinate geometry proof: isosceles triangle
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Gradient as a rate of change interpretation
I am in SS 1. I'm going to explain interpreting the gradient of a straight-line graph as a
Finding an unknown coordinate using the gradient formula
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Quiz me rapid-fire on gradients and equations of lines
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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 (
Factorising by taking out a common factor
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Cross-multiplying to solve an equation with fractions
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Quiz: Subtracting one surd from another
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Practice: Multiplying a whole number by a surd
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Explain Back: Multiplying root a by root b
I have just studied multiplying root a by root b in my SS1 Further Mathematics class. Let
Spot My Mistake: Rationalising and then cancelling a common factor
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Spot My Mistake: Simplifying the denominator once the conjugate has been used
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WAEC Prep: Expressing the answer in the form a plus b root c
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Practice: Solving an equation with a surd on each side
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Quiz: Testing the odd numbers for closure under addition
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WAEC Prep: A set closed under one operation but not another
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Common Mistakes: Closure on a set of three elements under a stated rule
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Practice: An operation that is not commutative, with a counter-example
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