445 prompts matching "How many roots a cubic equation has"
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Coordinate geometry combined with simultaneous equations
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Finding the equation of a median of a triangle
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Solving simultaneous linear equations by elimination
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Cross-multiplying to solve an equation with fractions
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Explaining the difference between an expression and an equation
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Practice: Deciding whether root 16 is rational or irrational
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Practice: Rationalising a denominator of the form a plus root b over c minus root d
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WAEC Prep: Expressing the answer in the form a plus b root c
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Practice: Solving an equation with a surd on each side
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WAEC Prep: Equating the rational and the irrational parts of an equation
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Practice: A fractional index with numerator one, read as a root
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Common Mistakes: Writing a root as a fractional index before simplifying
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WAEC Prep: Rejecting a negative answer in an indicial equation
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Common Mistakes: An indicial equation solved by substitution
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Common Mistakes: Rejecting a root that makes a logarithm undefined
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WAEC Prep: Solving an exponential equation by taking logarithms of both sides
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Common Mistakes: A logarithmic equation that becomes a quadratic
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