1,161 prompts matching "Checking a completed square by expanding it again"
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WAEC Prep: Subtracting a matrix from itself
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through subtracting a matr
Practice: A 2 by 2 matrix multiplied by a column vector
Act as my SS3 Further Mathematics tutor. Give me five practice questions on a 2 by 2 matri
Practice: The transpose of a 2 by 3 matrix
Act as my SS3 Further Mathematics tutor. Give me five practice questions on the transpose
Spot My Mistake: A symmetric matrix, equal to its own transpose
Act as my SS3 Further Mathematics tutor. Work a question on a symmetric matrix, equal to i
WAEC Prep: The identity matrix of order three
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the identity matri
WAEC Prep: The identity matrix, and what it does in a product
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Quiz: The zero matrix, and how it differs from nought in arithmetic
Act as my SS3 Further Mathematics tutor and quiz me on the zero matrix, and how it differs
Worked Example: A singular matrix, and why it has no inverse
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on a sing
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
Practice: The condition on the orders for a product to exist
Act as my SS3 Further Mathematics tutor. Give me five practice questions on the condition
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
WAEC Prep: The determinant of a matrix with a row of noughts
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the determinant of
WAEC Prep: The determinant of the identity matrix
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the determinant of
Worked Example: What a determinant of nought means for a 2 by 2 matrix
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on what a
Practice: The sign pattern of the cofactors in a 3 by 3 determinant
Act as my SS3 Further Mathematics tutor. Give me five practice questions on the sign patte
Worked Example: Evaluating a 3 by 3 determinant by the rule of Sarrus
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on evalua
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
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on formin
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
Explain Back: Writing out the full matrix of cofactors
I have just studied writing out the full matrix of cofactors in my SS3 Further Mathematics