742 prompts matching "IGCSE practice: Why the line need not touch any data point"
Teach me: The limit definition of the derivative
You are my personal SS3 Mathematics tutor. Teach me the limit definition of the derivative
Spot my mistake: Cancelling h before the limit has been taken
Act as my SS3 Mathematics tutor. Work a question on cancelling h before the limit has been
WAEC pitfalls: Leaving h in the final answer
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on leaving
Teach me: The power rule for differentiation
You are my personal SS3 Mathematics tutor. Teach me the power rule for differentiation, wo
Spot my mistake: Forgetting to reduce the index by one
Act as my SS3 Mathematics tutor. Work a question on forgetting to reduce the index by one
Word problem: The derivative of a profit function in a Nigerian business
Act as my SS3 Mathematics tutor. Give me three word problems on the derivative of a profit
Real-life Nigeria: Finding the gradient function of a given polynomial
Act as my SS3 Mathematics tutor. Show me where finding the gradient function of a given po
Teach me: The gradient of a curve as the gradient of its tangent
You are my personal SS3 Mathematics tutor. Teach me the gradient of a curve as the gradien
Quiz me: Evaluating the derivative at a given value of x
Act as my SS3 Mathematics tutor and quiz me on evaluating the derivative at a given value
Explain back: The gradient of a chord set against the gradient of a tangent
I have just studied the gradient of a chord set against the gradient of a tangent in my SS
Spot my mistake: Reading the gradient off the curve instead of off the derivative
Act as my SS3 Mathematics tutor. Work a question on reading the gradient off the curve ins
Word problem: The steepness of a described road modelled by a curve
Act as my SS3 Mathematics tutor. Give me three word problems on the steepness of a describ
WAEC pitfalls: Substituting into the original function instead of the derivative
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on substit
Real-life Nigeria: The equation of the normal to a curve at a point
Act as my SS3 Mathematics tutor. Show me where the equation of the normal to a curve at a
Teach me: Stationary points, and where the derivative is zero
You are my personal SS3 Mathematics tutor. Teach me stationary points, and where the deriv
Quiz me: Solving the derivative equal to zero to locate stationary points
Act as my SS3 Mathematics tutor and quiz me on solving the derivative equal to zero to loc
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
Word problem: Maximising the area of a rectangular plot with fixed fencing
Act as my SS3 Mathematics tutor. Give me three word problems on maximising the area of a r
WAEC pitfalls: Omitting to test the nature of a stationary point
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on omittin
Real-life Nigeria: Minimising the cost of a described Nigerian container
Act as my SS3 Mathematics tutor. Show me where minimising the cost of a described Nigerian