700 prompts matching "Working out a duration from a start and finish time"
WAEC pitfalls: Dropping the negative sign when reversing a vector
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on droppin
Explain back: The midpoint of a line segment in vector form
I have just studied the midpoint of a line segment in vector form in my SS3 Mathematics cl
Spot my mistake: Subtracting the position vectors in the wrong order
Act as my SS3 Mathematics tutor. Work a question on subtracting the position vectors in th
WAEC pitfalls: Confusing a position vector with a displacement vector
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on confusi
Spot my mistake: Adding the column vector to the wrong coordinate
Act as my SS3 Mathematics tutor. Work a question on adding the column vector to the wrong
WAEC pitfalls: Writing a column vector with its components reversed
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on writing
Explain back: Reflecting a point in the line y equals x
I have just studied reflecting a point in the line y equals x in my SS3 Mathematics class.
Spot my mistake: Reflecting in an axis but keeping the original sign
Act as my SS3 Mathematics tutor. Work a question on reflecting in an axis but keeping the
WAEC pitfalls: Reflecting in y equals x by negating instead of swapping
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on reflect
Spot my mistake: Rotating clockwise when the question says anticlockwise
Act as my SS3 Mathematics tutor. Work a question on rotating clockwise when the question s
WAEC pitfalls: Assuming a positive angle of rotation means clockwise
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Explain back: What a fractional scale factor does to a shape
I have just studied what a fractional scale factor does to a shape in my SS3 Mathematics c
WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
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Explain back: When two matrices can be multiplied at all
I have just studied when two matrices can be multiplied at all in my SS3 Mathematics class
Spot my mistake: Multiplying matrices whose orders do not match
Act as my SS3 Mathematics tutor. Work a question on multiplying matrices whose orders do n
WAEC pitfalls: Assuming matrix multiplication is commutative
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Spot my mistake: Forgetting to swap the leading diagonal when inverting
Act as my SS3 Mathematics tutor. Work a question on forgetting to swap the leading diagona
WAEC pitfalls: Dividing by a determinant of zero
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Explain back: Solving by multiplying through by the inverse matrix
I have just studied solving by multiplying through by the inverse matrix in my SS3 Mathema
Spot my mistake: Multiplying by the inverse on the wrong side
Act as my SS3 Mathematics tutor. Work a question on multiplying by the inverse on the wron