346 prompts matching "Adding surds that need simplifying first"
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Common Mistakes: Checking a completed square by expanding it again
Act as my SS2 Further Mathematics tutor. Show me the mistake pupils most often make on che
Practice: Giving the roots correct to two decimal places
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Show All Working: Choosing between factorising and the formula
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Common Mistakes: A sign error in the formula, and how to catch it
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Practice: Forming an equation from a given sum and product
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Show All Working: Roots equal in magnitude but opposite in sign
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Practice: The value of alpha to the fourth plus beta to the fourth
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Show All Working: Forming an equation whose roots are three alpha and three beta
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Practice: Finding the matching value of the second unknown
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Show All Working: A simultaneous pair in which the second equation is a circle
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Common Mistakes: A word problem giving one linear and one quadratic equation
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Practice: The condition for the line to be a tangent
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Show All Working: The point of contact when a line touches a curve
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Common Mistakes: A line and a curve meeting once without the line being a tangent
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Practice: Polynomial notation such as P of x
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Common Mistakes: Multiplying one polynomial by another
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Show All Working: Synthetic division as a shorter route
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Common Mistakes: The degree of the quotient and of the remainder
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Practice: The remainder on dividing by 2x minus 1
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Show All Working: A remainder of nought, and what it means
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