1,299 prompts matching "Checking an indicial solution by substitution"
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Quiz: Solving an index equation by writing both sides to the same base
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Learn: Solving a linear inequality, and reversing the sign on dividing by a negative
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Spot My Mistake: Showing the solution of an inequality on a number line
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Final Revision: Proving an identity by working on one side only
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Worked Example: Solving cos x equals a negative value, and finding both solutions
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Spot My Mistake: Solving an equation by first applying a Pythagorean identity
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WAEC Prep: Solving an equation by first applying a double angle formula
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Show All Working: Replacing two parallel forces by a single resultant
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Final Revision: The greatest extension reached by a falling particle on an elastic string
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Spot my mistake: Negating the leading diagonal and swapping the other two entries when inverting a 2 by 2 matrix
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Explain-back: resultant versus resolution of forces
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Domain and range of an inverse function
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Solve a three coplanar forces in equilibrium problem #3
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Show All Working: Reading the solutions of a trigonometric equation off a graph
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Factorising an expression with a common algebraic bracket factor
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Range of a simple function from its graph or values
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Verifying an inverse function is correct
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Graphs of a function and its inverse as reflections
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Restricting the domain so an inverse exists
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Function machines as an introduction to function notation
I am in SS 3. Teach me using the idea of a 'function machine' with an input and output to