1,483 prompts matching "The parabola shape, and which way it opens"
Practice set: Simplifying algebraic expressions by grouping
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Spot my mistake: Describing a set using set-builder notation
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Spot my mistake: Using universal sets, complements
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Worked example: A linear equation containing a fraction
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Worked example: Forming an equation from a described inverse proportion
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Practice set: Forming a quadratic equation from a given graph
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Spot my mistake: Reading off values from a straight-line graph
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Worked example: Proving two triangles congruent by angle-side-angle
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Worked example: Building a grouped frequency table from raw data
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Worked example: Combining a trigonometric ratio
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Practice set: Finding a distance from a given angle of depression
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Spot my mistake: Converting between seconds, minutes, hours
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Worked example: A word problem about a total made of parts
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Spot my mistake: Using exponential decay to model a real-life
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Spot my mistake: Manipulating an algebraic fraction
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Practice set: Solving simultaneous linear equations in two variables
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Worked example: Solving a quadratic equation by factorisation
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Worked example: Choosing a sensible degree of accuracy for an answer
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Practice set: Average speed over a whole journey
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Worked example: Why a rationalised denominator is preferred
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