712 prompts matching "Real-life question: Recognising a difference of two squares before factorising"
WAEC pitfalls: Leaving h in the final answer
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on leaving
WAEC pitfalls: Differentiating a product as though it were a sum
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on differe
Explain back: The second derivative test for a maximum or a minimum
I have just studied the second derivative test for a maximum or a minimum in my SS3 Mathem
WAEC pitfalls: Substituting the numbers before differentiating
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on substit
WAEC pitfalls: Ignoring an area that lies below the axis
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on ignorin
Explain back: Adding and subtracting vectors by components
I have just studied adding and subtracting vectors by components in my SS3 Mathematics cla
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
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
Explain back: Why translation preserves both shape and size
I have just studied why translation preserves both shape and size in my SS3 Mathematics cl
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.
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
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on assumin
WAEC pitfalls: Assuming matrix multiplication is commutative
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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
Explain back: Rearranging an equation so it can be solved from a drawn curve
I have just studied rearranging an equation so it can be solved from a drawn curve in my S
WAEC pitfalls: Giving a graphical answer to more accuracy than the scale allows
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on giving
Explain back: Shading the feasible region on a graph
I have just studied shading the feasible region on a graph in my SS3 Mathematics class. Le
WAEC pitfalls: Ignoring the non-negativity constraints
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on ignorin