560 prompts matching "Choosing which variable to eliminate first"
Explain back: Adding and subtracting vectors by components
I have just studied adding and subtracting vectors by components in my SS3 Mathematics cla
Spot my mistake: Adding vectors by adding their magnitudes
Act as my SS3 Mathematics tutor. Work a question on adding vectors by adding their magnitu
Word problem: A displacement problem solved with vectors
Act as my SS3 Mathematics tutor. Give me three word problems on a displacement problem sol
Worked example: Finding the magnitude and direction of a vector
Act as my SS3 Mathematics tutor. Take me through one full worked example on finding the ma
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
Teach me: The position vector of a point relative to the origin
You are my personal SS3 Mathematics tutor. Teach me the position vector of a point relativ
Quiz me: The vector joining two points, found from their position vectors
Act as my SS3 Mathematics tutor and quiz me on the vector joining two points, found from t
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
Word problem: Dividing a line in a given ratio using vectors
Act as my SS3 Mathematics tutor. Give me three word problems on dividing a line in a given
Worked example: Proving three points are collinear with vectors
Act as my SS3 Mathematics tutor. Take me through one full worked example on proving three
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
Teach me: A translation described by a column vector
You are my personal SS3 Mathematics tutor. Teach me a translation described by a column ve
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
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on writing
Teach me: Enlargement, and its centre and scale factor
You are my personal SS3 Mathematics tutor. Teach me enlargement, and its centre and scale
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
Spot my mistake: Measuring the scale factor from the wrong centre
Act as my SS3 Mathematics tutor. Work a question on measuring the scale factor from the wr
Word problem: Scaling a described building plan up to real size
Act as my SS3 Mathematics tutor. Give me three word problems on scaling a described buildi