1,332 prompts matching "IGCSE Additional Maths Y11: The four quadrants, and the sign of each ratio in th"
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WAEC Prep: Stating the order of a product before working it out
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through stating the order
WAEC Prep: Reading the order of a matrix as rows by columns
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Practice: The condition on the orders for a product to exist
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Learn: Deciding whether a stated matrix calculation is possible at all
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WAEC Prep: A matrix expression with brackets to expand
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a matrix expressio
Explain Back: Solving a matrix equation containing both a sum and a product
I have just studied solving a matrix equation containing both a sum and a product in my SS
WAEC Prep: The determinant of a matrix with a row of noughts
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WAEC Prep: The determinant of the identity matrix
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WAEC Prep: The determinant of a 2 by 2 matrix as ad minus bc
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Learn: The effect on a determinant of swapping two rows
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WAEC Prep: The determinant of a 3 by 3 matrix with two equal rows
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WAEC Prep: Expanding a 3 by 3 determinant down a column
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Quiz: Expanding a 3 by 3 determinant along a row or column containing noughts
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Practice: The sign pattern of the cofactors in a 3 by 3 determinant
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WAEC Prep: Setting out the coefficient determinant for two simultaneous equations
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Spot My Mistake: Forming the determinant Dx by replacing the first column
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WAEC Prep: The determinant Dz in a system of three unknowns
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WAEC Prep: What Cramer's rule gives when the system is inconsistent
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WAEC Prep: The cofactor of a corner entry
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WAEC Prep: Why the cofactor signs alternate
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why the cofactor s