740 prompts matching "How many terms of an arithmetic progression lie between two values"
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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 centre and radius from a circle's equation
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Locus problem: points equidistant from two fixed points
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Factorising by grouping four terms
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Factorising the difference of two squares
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Solving simultaneous linear equations by substitution
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Changing the subject when the variable appears twice
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Changing the subject with a square or square root
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Simplifying an expression with brackets and indices together
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Substituting values into an algebraic expression
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Solving a word problem using simultaneous equations
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Cross-multiplying to solve an equation with fractions
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Learn: Telling a rational number from an irrational one
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Worked Example: Why the square root of a non-square whole number is irrational
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Quiz: Writing a recurring decimal as a fraction to show it is rational
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Practice: Collecting similar surds in an expression
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Quiz: Rationalising a denominator of the form one over root 3
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Learn: The conjugate of a compound surd expression
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Quiz: Rationalising a denominator of the form one over 2 plus root 3
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