742 prompts matching "Making the coefficients match before eliminating (IGCSE Marking)"
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
Spot my mistake: Plotting a point from the wrong row of the table
Act as my SS3 Mathematics tutor. Work a question on plotting a point from the wrong row of
Practice set: Finding the roots from where the curve cuts the x-axis
Act as my SS3 Mathematics tutor. Give me five practice questions on finding the roots from
Spot my mistake: Reading the intersection off the wrong axis
Act as my SS3 Mathematics tutor. Work a question on reading the intersection off the wrong
Explain back: Shading the feasible region on a graph
I have just studied shading the feasible region on a graph in my SS3 Mathematics class. Le
Spot my mistake: Shading the wrong side of a boundary line
Act as my SS3 Mathematics tutor. Work a question on shading the wrong side of a boundary l
Worked example: Testing the vertices of the feasible region
Act as my SS3 Mathematics tutor. Take me through one full worked example on testing the ve
Practice set: Finding the maximum of an objective function
Act as my SS3 Mathematics tutor. Give me five practice questions on finding the maximum of
Explain back: Plotting a cumulative frequency curve at the upper class boundaries
I have just studied plotting a cumulative frequency curve at the upper class boundaries in
Spot my mistake: Plotting cumulative frequency at the class midpoint
Act as my SS3 Mathematics tutor. Work a question on plotting cumulative frequency at the c
Worked example: Estimating the median from a cumulative frequency curve
Act as my SS3 Mathematics tutor. Take me through one full worked example on estimating the
Explain back: Why the absolute value is taken in mean deviation
I have just studied why the absolute value is taken in mean deviation in my SS3 Mathematic
Worked example: The mean deviation of an ungrouped data set
Act as my SS3 Mathematics tutor. Take me through one full worked example on the mean devia
Practice set: The mean deviation of grouped data
Act as my SS3 Mathematics tutor. Give me five practice questions on the mean deviation of
Worked example: Reading a quantity from a pie chart given the total
Act as my SS3 Mathematics tutor. Take me through one full worked example on reading a quan
Spot my mistake: Rounding twice and drifting away from the true value
Act as my SS3 Mathematics tutor. Work a question on rounding twice and drifting away from
Spot my mistake: Dividing by the measured value instead of the true value
Act as my SS3 Mathematics tutor. Work a question on dividing by the measured value instead
Worked example: The percentage error left by a rounded calculation
Act as my SS3 Mathematics tutor. Take me through one full worked example on the percentage
Practice set: The greatest possible error in a rounded measurement
Act as my SS3 Mathematics tutor. Give me five practice questions on the greatest possible
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