755 prompts matching "Express 2x^2 - 8x + 3 in completed-square form"
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Expanding and simplifying with negative brackets
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Factorising by taking out a common factor
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Simplifying a complex algebraic fraction
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Solving a linear inequality and showing the solution
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Solving a double inequality
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Solving simultaneous linear equations by substitution
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Changing the subject when the variable appears twice
I am in SS 1. Teach me changing the subject of a formula where the required letter appears
Cross-multiplying to solve an equation with fractions
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Algebraic long division of a simple polynomial by a linear factor
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Quiz me rapid-fire on expanding and factorising
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Common sign errors in algebraic manipulation
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Worked Example: Why the square root of a non-square whole number is irrational
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Learn: The conjugate of a compound surd expression
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Learn: The change of base formula
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Quiz: The formula for the nth term of an arithmetic progression
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Learn: The formula for the sum of the first n terms of an arithmetic progression
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Worked Example: The alternative sum formula that uses the last term
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Quiz: The formula for the nth term of a geometric progression
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Learn: The formula for the sum of the first n terms of a geometric progression
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Worked Example: Which form of the sum formula to use when r is less than one
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