1,325 prompts matching "Learn: What makes an argument valid"
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Spot My Mistake: Checking a Cramer's rule solution by substituting back
Act as my SS3 Further Mathematics tutor. Work a question on checking a Cramer's rule solut
WAEC Prep: The cofactor of a corner entry
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the cofactor of a
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
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
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
Explain Back: Finding the adjoint of a 2 by 2 matrix quickly
I have just studied finding the adjoint of a 2 by 2 matrix quickly in my SS3 Further Mathe
Spot My Mistake: Finding the adjoint of a 3 by 3 matrix
Act as my SS3 Further Mathematics tutor. Work a question on finding the adjoint of a 3 by
Quiz: Checking a 3 by 3 inverse by multiplication
Act as my SS3 Further Mathematics tutor and quiz me on checking a 3 by 3 inverse by multip
Explain Back: The inverse of a diagonal matrix
I have just studied the inverse of a diagonal matrix in my SS3 Further Mathematics class.
Spot My Mistake: Why the inverse must be applied on the correct side
Act as my SS3 Further Mathematics tutor. Work a question on why the inverse must be applie
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
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through when the matrix me
Practice: Comparing the inverse method with elimination for three equations
Act as my SS3 Further Mathematics tutor. Give me five practice questions on comparing the
Worked Example: Checking the solution of three equations by substitution
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on checki
Quiz: Why mass stays the same wherever the body is taken
Act as my SS3 Further Mathematics tutor and quiz me on why mass stays the same wherever th
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
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on the we
WAEC Prep: Resolving before compounding several forces
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through resolving before c
Practice: The parallelogram law of forces
Act as my SS3 Further Mathematics tutor. Give me five practice questions on the parallelog