755 prompts matching "The range of values of k for which the roots are real"
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Coordinate geometry exam question: quadrilateral vertices
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Coordinate geometry combined with simultaneous equations
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Distinguishing gradient sign: positive, negative, zero, undefined
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Locus problem: points equidistant from two fixed points
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Expanding and simplifying with negative brackets
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Common sign errors in algebraic manipulation
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Practice: Collecting similar surds in an expression
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Practice: Multiplying a whole number by a surd
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Show All Working: Simplifying a surd expression that contains brackets
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Show All Working: Checking a rationalised answer by decimal approximation
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Practice: Solving an equation with a surd on each side
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Practice: A binary operation set out as a table
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Show All Working: Evaluating a repeated operation such as a*(b*c)
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Show All Working: Showing a set is not closed by a single counter-example
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Practice: An operation that is not commutative, with a counter-example
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Show All Working: An operation that is associative but not commutative
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Practice: Multiplication distributing over addition in ordinary arithmetic
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Show All Working: Using distributivity to simplify an expression
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Practice: Why an identity element must work from both sides
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Show All Working: An element with no inverse under a given operation
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