1,326 prompts matching "Classifying a mixed list of numbers as rational or irrational"
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WAEC Prep: The determinant of a 3 by 3 matrix with two equal rows
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the determinant of
Quiz: Expanding a 3 by 3 determinant along a row or column containing noughts
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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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Worked Example: Forming the determinant Dy by replacing the second column
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WAEC Prep: The determinant Dz in a system of three unknowns
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the determinant Dz
WAEC Prep: Setting out Cramer's rule for three simultaneous equations
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Quiz: Arranging the equations in standard form before applying Cramer's rule
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WAEC Prep: The adjoint of the identity matrix
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the adjoint of the
Worked Example: The identity that A times its adjoint gives the determinant times the identity
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WAEC Prep: The inverse of a 2 by 2 matrix with a fractional determinant
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the inverse of a 2
WAEC Prep: The inverse of an inverse
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the inverse of an
WAEC Prep: Checking the determinant before attempting a 3 by 3 inverse
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through checking the deter
WAEC Prep: The inverse of a 3 by 3 matrix from its adjoint and its determinant
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WAEC Prep: Reading the solution off the product of the inverse and the constants
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Spot My Mistake: Why the inverse must be applied on the correct side
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WAEC Prep: A three-unknown system arising from a word problem
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a three-unknown sy
WAEC Prep: When the matrix method is worth the work for three unknowns
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Practice: Comparing the inverse method with elimination for three equations
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Learn: Inertia, and what mass actually measures
You are my personal SS3 Further Mathematics tutor. Teach me inertia, and what mass actuall