1,326 prompts matching "A word problem giving one linear and one quadratic equation"
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WAEC Prep: Cramer's rule applied to a pair with fractional coefficients
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through Cramer's rule appl
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: What Cramer's rule gives when the system is inconsistent
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through what Cramer's rule
WAEC Prep: The cofactor of a corner entry
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WAEC Prep: Why the cofactor signs alternate
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WAEC Prep: The minor of an entry of a 3 by 3 matrix
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Practice: Turning a minor into a cofactor with the sign rule
Act as my SS3 Further Mathematics tutor. Give me five practice questions on turning a mino
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
WAEC Prep: The order in which the cofactors are transposed
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WAEC Prep: The adjoint as the transpose of the matrix of cofactors
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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
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Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted
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WAEC Prep: Checking the determinant before attempting a 3 by 3 inverse
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WAEC Prep: When the matrix method is worth the work for three unknowns
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through when the matrix me
WAEC Prep: The weight of a body on the moon compared with on earth
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the weight of a bo
Worked Example: The weight of a body as mass times g
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Practice: The value of g used in Nigerian examination papers
Act as my SS3 Further Mathematics tutor. Give me five practice questions on the value of g