552 prompts matching "IGCSE practice: Testing two lines for perpendicularity from their equations"
Spot my mistake: Forgetting the constant of integration in an indefinite integral
Act as my SS3 Mathematics tutor. Work a question on forgetting the constant of integration
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
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: 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
Explain back: The inverse of a 2 by 2 matrix and the formula for it
I have just studied the inverse of a 2 by 2 matrix and the formula for it in my SS3 Mathem
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
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: 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
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
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
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
WAEC pitfalls: Comparing two pie charts of different totals directly
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on compari
Real-life Nigeria: Choosing the right chart for a given set of data
Act as my SS3 Mathematics tutor. Show me where choosing the right chart for a given set of
Teach me: The simple interest formula and the symbols in it
You are my personal SS3 Mathematics tutor. Teach me the simple interest formula and the sy
Explain back: How compound interest differs from simple interest
I have just studied how compound interest differs from simple interest in my SS3 Mathemati
Spot my mistake: Applying the simple interest formula to a compound problem
Act as my SS3 Mathematics tutor. Work a question on applying the simple interest formula t
Teach Me: Percentiles and deciles
Act as my SS3 Maths tutor. Explain percentiles and deciles to me from the basics, breaking
Teach Me: Mensuration involving pyramids
Act as my SS3 Maths tutor. Explain mensuration involving pyramids to me from the basics, b
Teach Me: Factorising quadratic expressions
Act as my SS3 Maths tutor. Explain factorising quadratic expressions to me from the basics