1,045 prompts matching "why we check the domain in logarithmic equations"
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Quiz: A negative value of b in the quadratic formula
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Spot My Mistake: What the formula gives when the discriminant is nought
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WAEC Prep: What the formula gives when the discriminant is negative
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Practice: Forming an equation from a given sum and product
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Quiz: Solving the quadratic that results from the substitution
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Common Mistakes: A word problem giving one linear and one quadratic equation
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Quiz: The condition for two points of intersection
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Spot My Mistake: Finding the values of c for which a line is a tangent
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WAEC Prep: Finding the values of m for which a line cuts a curve twice
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Show All Working: The point of contact when a line touches a curve
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Quiz: The leading term and the constant term
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Spot My Mistake: A polynomial written in descending powers
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WAEC Prep: Dividing by a factor of the form ax plus b
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Show All Working: Synthetic division as a shorter route
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Quiz: The remainder on dividing by x plus 2
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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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WAEC Prep: Factorising the difference of two cubes
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Final Revision: Checking a factorisation by expanding it again
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Spot My Mistake: Finding the remaining roots once one is known
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