705 prompts matching "Expanding a bracket with a minus sign inside it"
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Simplifying before substituting a value
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Set difference A minus B
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Finite and infinite sets
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Empty set and its notation
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Interpreting neither-nor in a Venn diagram problem
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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,
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 +
Finding the number of terms in an arithmetic series
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Solving for x when three terms are in arithmetic progression
I am in SS 1. I attempted an Additional Maths question on finding the value of x given tha
Mixed sequence exam question, arithmetic and geometric
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Recurring decimals as an infinite geometric series
I am in SS 1. I'm going to explain how a recurring decimal, such as 0.777..., can be writt
Comparing arithmetic and geometric growth over time
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Solving a linear inequality and showing the solution
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Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Explain Back: Where the surds sit on the number line
I have just studied where the surds sit on the number line in my SS1 Further Mathematics c
Show All Working: Simplifying a surd expression that contains brackets
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Practice: Rationalising a denominator of the form a plus root b over c minus root d
Act as my SS1 Further Mathematics tutor. Give me five practice questions on rationalising
Common Mistakes: A binary operation that is ordinary addition in disguise
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Worked Example: Testing the even numbers for closure under addition
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Explain Back: What it means for an operation to be associative
I have just studied what it means for an operation to be associative in my SS1 Further Mat