492 prompts matching "Practice: Substituting carefully when x is negative"
Quiz me: The steps of completing the square on a monic quadratic
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Quiz me: Forming a quadratic from a described area or product
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Quiz me: Finding the common difference from any two terms of an AP
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Quiz me: Writing the nth term of a linear sequence
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Quiz Me: Checking answers using casting out nines
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Quiz me: The union and the intersection of two sets defined
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Quiz me: Solving a congruence by testing each residue in turn
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Quiz me: Probability with replacement compared with probability without it
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Quiz me: A frustum as a cone with its top cut off
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Quiz Me: The product law of logarithms
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Explain It Back: Converting base 2 numbers to base 10
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Explain It Back: Great circles and small circles
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Explain It Back: Describing the earth as a sphere: points and lines
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Explain It Back: Number base word problems in everyday Nigerian contexts
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Explain It Back: Surface area of a cone
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Explain It Back: Surface area of a sphere
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Worked Example: Variation problems in Nigerian market pricing contexts
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Worked Example: Converting directly from one base to another base
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Worked Example: Probability using tree diagrams
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Worked Example: Combining operations in modular arithmetic
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