755 prompts matching "Restricting the domain so an inverse exists"
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Finding the point of intersection of two lines
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Equation of the perpendicular bisector of a segment
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Equation of a line with a given y-intercept and passing through a point
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Explaining gradient, midpoint and distance formulas in my own words
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Coordinate geometry combined with simultaneous equations
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Coordinate geometry involving a right-angle condition to find x
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Locus problem: points equidistant from two fixed points
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Factorising the difference of two squares
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Solving a double inequality
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Representing a solution set on a number line
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Forming an algebraic expression from a word problem
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Multi-part algebraic manipulation exam question
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Common sign errors in algebraic manipulation
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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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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Worked Example: Adding two surds that simplify to the same root
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Learn: Why a surd is never left in the denominator
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Learn: The conjugate of a compound surd expression
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