757 prompts matching "IGCSE Maths Y10: Choosing the right ratio for a question — Explain It Back"
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
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: The chain rule connecting two related rates
I have just studied the chain rule connecting two related rates in my SS3 Mathematics clas
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
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
Worked example: Finding the magnitude and direction of a vector
Act as my SS3 Mathematics tutor. Take me through one full worked example on finding the ma
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: Finding the translation that maps one shape onto another
Act as my SS3 Mathematics tutor. Take me through one full worked example on finding the tr
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.
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
Explain back: Rotating a point 180 degrees about the origin
I have just studied rotating a point 180 degrees about the origin in my SS3 Mathematics cl
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
Worked example: Finding the centre of enlargement from object and image
Act as my SS3 Mathematics tutor. Take me through one full worked example on finding the ce
Worked example: Verifying an inverse by multiplying back to the identity
Act as my SS3 Mathematics tutor. Take me through one full worked example on verifying an i
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
Worked example: Solving a 2 by 2 system by the matrix method
Act as my SS3 Mathematics tutor. Take me through one full worked example on solving a 2 by