1,334 prompts matching "A binary operation that is ordinary addition in disguise"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Quiz: Finding an unknown entry from a stated matrix equation
Act as my SS3 Further Mathematics tutor and quiz me on finding an unknown entry from a sta
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
Explain Back: The determinant of a product as the product of the determinants
I have just studied the determinant of a product as the product of the determinants in my
Quiz: Expanding a 3 by 3 determinant along a row or column containing noughts
Act as my SS3 Further Mathematics tutor and quiz me on expanding a 3 by 3 determinant alon
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
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
Explain Back: What a coefficient determinant of nought says about the system
I have just studied what a coefficient determinant of nought says about the system in my S
Quiz: Arranging the equations in standard form before applying Cramer's rule
Act as my SS3 Further Mathematics tutor and quiz me on arranging the equations in standard
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
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
Quiz: Checking an inverse by multiplying to get the identity
Act as my SS3 Further Mathematics tutor and quiz me on checking an inverse by multiplying
Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted
Act as my SS3 Further Mathematics tutor. Give me five practice questions on why a 2 by 2 m
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.
Explain Back: Solving two simultaneous equations by multiplying by the inverse
I have just studied solving two simultaneous equations by multiplying by the inverse in my
Practice: What a singular coefficient matrix says about the equations
Act as my SS3 Further Mathematics tutor. Give me five practice questions on what a singula
Quiz: Solving three simultaneous equations with the inverse matrix
Act as my SS3 Further Mathematics tutor and quiz me on solving three simultaneous equation
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