705 prompts matching "Expanding a bracket with a minus sign inside it"
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Learn: What makes a sequence a geometric progression
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Quiz: The formula for the nth term of a geometric progression
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Spot My Mistake: Finding the common ratio when the third and sixth terms are given
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Final Revision: Deciding whether a given sequence is a geometric progression
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Learn: The formula for the sum of the first n terms of a geometric progression
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Quiz: The sum of the first six terms of a given geometric progression
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Spot My Mistake: A compound interest problem modelled by a geometric progression
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WAEC Prep: A population growth problem modelled by a geometric progression
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Final Revision: Proving the sum formula for a geometric progression
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Quiz: Using a sketch of the parabola to read off the solution
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Spot My Mistake: The solution when the quadratic expression is less than nought
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Learn: What the modulus of a number means
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Quiz: Solving modulus of x less than a
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Spot My Mistake: The graph of y equals modulus of x
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Multiplication law of indices
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Index equations reducing to a quadratic
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Finding an unknown exponent in an equation
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Solving 4^x = 8^(x-1) by matching bases
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Solving 9^x x 3^(x+1) = 1
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Combining several index laws in one simplification
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