757 prompts matching "Using a letter to stand for an unknown number"
WAEC past questions: The angle in a semicircle as a special case
Act as my WAEC Mathematics coach. I am in SS 3. Give me past-paper questions on the angle
WAEC past-question style: The equation of a line written in the form y equals mx plus c
Act as my WAEC Mathematics coach. I am in SS 3. Write me a question on the equation of a l
WAEC pitfalls: Leaving h in the final answer
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on leaving
Explain back: Why the derivative of a constant is zero
I have just studied why the derivative of a constant is zero in my SS3 Mathematics class.
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
Worked example: Finding the equation of a tangent at a point
Act as my SS3 Mathematics tutor. Take me through one full worked example on finding the eq
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
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
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
Explain back: Why the constant of integration is needed
I have just studied why the constant of integration is needed in my SS3 Mathematics class.
Explain back: Why the constant of integration cancels in a definite integral
I have just studied why the constant of integration cancels in a definite integral in my S
Worked example: The area between a curve and the x-axis
Act as my SS3 Mathematics tutor. Take me through one full worked example on the area betwe
WAEC pitfalls: Ignoring an area that lies below the axis
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on ignorin
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
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: Why translation preserves both shape and size
I have just studied why translation preserves both shape and size in my SS3 Mathematics cl
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
Worked example: Finding the mirror line from an object and its image
Act as my SS3 Mathematics tutor. Take me through one full worked example on finding the mi
Worked example: Finding the angle of rotation from an object and its image
Act as my SS3 Mathematics tutor. Take me through one full worked example on finding the an
WAEC pitfalls: Assuming a positive angle of rotation means clockwise
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on assumin