756 prompts matching "Dropping the plus-or-minus from the formula"
Teach me: Writing a pair of simultaneous equations in matrix form
You are my personal SS3 Mathematics tutor. Teach me writing a pair of simultaneous equatio
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
Word problem: A two-commodity pricing problem solved by matrices
Act as my SS3 Mathematics tutor. Give me three word problems on a two-commodity pricing pr
Teach me: The shape of a quadratic graph, and what the sign of a does to it
You are my personal SS3 Mathematics tutor. Teach me the shape of a quadratic graph, and wh
Explain back: The line of symmetry and the turning point
I have just studied the line of symmetry and the turning point in my SS3 Mathematics class
WAEC pitfalls: Joining the plotted points of a curve with straight lines
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on joining
Spot my mistake: Reading the intersection off the wrong axis
Act as my SS3 Mathematics tutor. Work a question on reading the intersection off the wrong
Worked example: Solving a quadratic graphically by adding a straight line
Act as my SS3 Mathematics tutor. Take me through one full worked example on solving a quad
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
Spot my mistake: Shading the wrong side of a boundary line
Act as my SS3 Mathematics tutor. Work a question on shading the wrong side of a boundary l
Word problem: A Nigerian transport loading problem as a linear programme
Act as my SS3 Mathematics tutor. Give me three word problems on a Nigerian transport loadi
Real-life Nigeria: A production mix problem for a small business
Act as my SS3 Mathematics tutor. Show me where a production mix problem for a small busine
Explain back: Plotting a cumulative frequency curve at the upper class boundaries
I have just studied plotting a cumulative frequency curve at the upper class boundaries in
Spot my mistake: Plotting cumulative frequency at the class midpoint
Act as my SS3 Mathematics tutor. Work a question on plotting cumulative frequency at the c
WAEC pitfalls: Reading the quartiles off the wrong axis
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on reading
Explain back: Why the absolute value is taken in mean deviation
I have just studied why the absolute value is taken in mean deviation in my SS3 Mathematic
WAEC pitfalls: Dividing by the wrong number of items
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on dividin
Spot my mistake: Drawing sector angles that do not total 360 degrees
Act as my SS3 Mathematics tutor. Work a question on drawing sector angles that do not tota
Word problem: Presenting a Nigerian household budget as a pie chart
Act as my SS3 Mathematics tutor. Give me three word problems on presenting a Nigerian hous