648 prompts matching "Rearranging a formula from Nigerian trade or building"
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
Worked example: Proving three points are collinear with vectors
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WAEC pitfalls: Confusing a position vector with a displacement vector
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Exam timing: A timed set of position vector questions
Act as my SS3 Mathematics tutor. Set me a timed run of questions on a timed set of positio
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
Worked example: Finding the translation that maps one shape onto another
Act as my SS3 Mathematics tutor. Take me through one full worked example on finding the tr
WAEC pitfalls: Writing a column vector with its components reversed
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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
Explain back: Rotating a point 180 degrees about the origin
I have just studied rotating a point 180 degrees about the origin in my SS3 Mathematics cl
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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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
Worked example: Multiplying a 2 by 3 matrix by a 3 by 2 matrix
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Spot my mistake: Forgetting to swap the leading diagonal when inverting
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Worked example: Verifying an inverse by multiplying back to the identity
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Worked example: Solving a 2 by 2 system by the matrix method
Act as my SS3 Mathematics tutor. Take me through one full worked example on solving a 2 by
WAEC pitfalls: Writing the coefficients out of order in the matrix
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Worked example: Solving a quadratic graphically by adding a straight line
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WAEC pitfalls: Giving a graphical answer to more accuracy than the scale allows
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