1,004 prompts matching "Checking an indicial solution by substitution"
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Final Revision: Checking a root of a cubic by substitution
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Teach me solving a linear and a quadratic equation by substitution
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Common Mistakes: Checking a completed square by expanding it again
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Final Revision: Checking a factorisation by expanding it again
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IGCSE Additional Maths Y11: An equation solved by the substitution t equals tan x — IGCSE Exam Practice
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
IGCSE Additional Maths Y11: Checking that the solutions lie in the stated range — Common Mistakes
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IGCSE Additional Maths Y11: Checking an integral by differentiating it back — Exam Technique
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me how to handle
Spot my mistake checking a logarithmic solution against the domain
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Final Revision: Checking both solutions in both equations
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IGCSE Additional Maths Y11: Finding every solution rather than only the first — Show All Working
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IGCSE Additional Maths Y11: Checking an answer for reasonableness — Show All Working
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Quiz me on checking both pairs of solutions of a linear-quadratic pair
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Why simultaneous linear-quadratic systems can have two solutions
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Teach me Writing out Pascal's triangle row by row
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Teach me finding the determinant of a two by two matrix
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Worked example: write the converse, inverse and contrapositive of 'if a number is even, then it is divisible by 2'
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WAEC Prep: Checking the sum and product against the solved roots
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Spot My Mistake: A pair with equal roots, meaning one solution only
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Common Mistakes: Multiplying one polynomial by another
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WAEC Prep: Testing an argument for validity by truth table
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