625 prompts matching "Show that, hence find: Checking whether a calculated answer is reasonable"
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
Real-life Nigeria: Why first principles justifies the power rule
Act as my SS3 Mathematics tutor. Show me where why first principles justifies the power ru
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
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
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
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
Spot my mistake: Calling every stationary point a maximum
Act as my SS3 Mathematics tutor. Work a question on calling every stationary point a maxim
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
Spot my mistake: Differentiating with respect to the wrong variable
Act as my SS3 Mathematics tutor. Work a question on differentiating with respect to the wr
WAEC pitfalls: Substituting the numbers before differentiating
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on substit
Real-life Nigeria: A rate of change problem taken from Nigerian manufacturing
Act as my SS3 Mathematics tutor. Show me where a rate of change problem taken from Nigeria
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
WAEC pitfalls: Dividing by the original index instead of the new one
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on dividin
Spot my mistake: Subtracting the limits in the wrong order
Act as my SS3 Mathematics tutor. Work a question on subtracting the limits in the wrong or
Real-life Nigeria: A total quantity found from a rate function over an interval
Act as my SS3 Mathematics tutor. Show me where a total quantity found from a rate function
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
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
Real-life Nigeria: The resultant velocity of a boat crossing a river
Act as my SS3 Mathematics tutor. Show me where the resultant velocity of a boat crossing a