972 prompts matching "Condition for two lines to be perpendicular"
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Common Mistakes: Writing down the roots once the brackets are found
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Show All Working: Completing the square with a fractional coefficient of x
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Common Mistakes: Checking a completed square by expanding it again
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Final Revision: Why completing the square always works
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Explain Back: Finding a missing coefficient from a stated sum of roots
I have just studied finding a missing coefficient from a stated sum of roots in my SS2 Fur
Show All Working: Roots equal in magnitude but opposite in sign
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Common Mistakes: Roots that are reciprocals of one another
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Final Revision: One root twice the other, and what that gives
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Common Mistakes: A symmetric function needing the sum and product twice over
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Explain Back: Writing the answers as ordered pairs
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Show All Working: A simultaneous pair in which the second equation is a circle
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Final Revision: Checking both solutions in both equations
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Common Mistakes: Multiplying one polynomial by another
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Explain Back: A division that leaves a constant remainder
I have just studied a division that leaves a constant remainder in my SS2 Further Mathemat
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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Final Revision: Writing the result of a polynomial division out in full
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Explain Back: Finding a coefficient when the remainder is given
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Show All Working: A remainder of nought, and what it means
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Final Revision: A word problem that uses the remainder theorem
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