1,331 prompts matching "Converting an answer back out of index form"
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Spot My Mistake: Multiplying a 3 by 3 matrix by a 3 by 1 column
Act as my SS3 Further Mathematics tutor. Work a question on multiplying a 3 by 3 matrix by
Quiz: Multiplying a matrix by minus one
Act as my SS3 Further Mathematics tutor and quiz me on multiplying a matrix by minus one.
Spot My Mistake: Orders that make a product possible one way round but not the other
Act as my SS3 Further Mathematics tutor. Work a question on orders that make a product pos
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
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
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
Spot My Mistake: Compounding three forces acting at one point
Act as my SS3 Further Mathematics tutor. Work a question on compounding three forces actin
Quiz: Recovering the original force from its two components
Act as my SS3 Further Mathematics tutor and quiz me on recovering the original force from
Spot My Mistake: Finding two unknown tensions from three forces in equilibrium
Act as my SS3 Further Mathematics tutor. Work a question on finding two unknown tensions f
Spot My Mistake: Why the probabilities in a distribution must sum to one
Act as my SS3 Further Mathematics tutor. Work a question on why the probabilities in a dis
Quiz: The situations a Poisson distribution models
Act as my SS3 Further Mathematics tutor and quiz me on the situations a Poisson distributi
Spot My Mistake: When the normal distribution may approximate the binomial
Act as my SS3 Further Mathematics tutor. Work a question on when the normal distribution m
Quiz: Writing a two-dimensional vector as a column
Act as my SS3 Further Mathematics tutor and quiz me on writing a two-dimensional vector as
Spot My Mistake: Drawing a vector as a directed line segment
Act as my SS3 Further Mathematics tutor. Work a question on drawing a vector as a directed
Spot My Mistake: Classifying a stationary point by the second derivative
Act as my SS3 Further Mathematics tutor. Work a question on classifying a stationary point
Spot My Mistake: Finding the common ratio from two given terms
Act as my SS3 Further Mathematics tutor. Work a question on finding the common ratio from
Subtract two matrices, 2x2 #2
I am in SS 3. Give me a matrix problem where A=[[1,-2],[3,0]], B=[[4,1],[-2,5]] and I have
Subtract two matrices, 3x3 #6
I am in SS 3. Give me a matrix problem where A=[[4,1,-2],[0,3,1],[2,-1,5]], B=[[1,0,2],[-1
Why is matrix multiplication not commutative
Explain in simple terms why AB is not usually equal to BA for matrices, using a worked 2x2
Explain the zero matrix in matrix algebra
I am in SS 3. Explain the zero matrix and its effect in addition, using a 2x2 example to s