1,045 prompts matching "Practice: Finding the third root of a cubic when two are known"
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Common Mistakes: Writing down the roots once the brackets are found
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Quiz: A negative value of b in the quadratic formula
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Quiz: Finding the sum and the product without solving the equation
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Final Revision: One root twice the other, and what that gives
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Learn: What makes an expression in the roots symmetric
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Quiz: The value of one over alpha squared plus one over beta squared
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Spot My Mistake: The value of alpha over beta plus beta over alpha
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Quiz: The condition for two points of intersection
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Practice: Polynomial notation such as P of x
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Practice: Showing that x plus 3 is a factor of a given polynomial
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Show All Working: What the factor theorem says about the roots
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Spot My Mistake: Factorising the sum of two cubes
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Worked Example: How many roots a cubic equation has
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Explain Back: A cubic with a repeated root
I have just studied a cubic with a repeated root in my SS2 Further Mathematics class. Let
Quiz: The truth value of a simple proposition
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Spot My Mistake: The negation of a proposition
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Spot My Mistake: The contrapositive of a conditional
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Spot My Mistake: The law of the excluded middle
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Practice: Arrangements of a word with repeated letters
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Quiz: The probability of drawing two red balls
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