747 prompts matching "Why completing the square works"
Spot my mistake: Measuring the scale factor from the wrong centre
Act as my SS3 Mathematics tutor. Work a question on measuring the scale factor from the wr
Practice set: The effect of an enlargement on area
Act as my SS3 Mathematics tutor. Give me five practice questions on the effect of an enlar
Real-life Nigeria: Scale drawings and the scales printed on maps
Act as my SS3 Mathematics tutor. Show me where scale drawings and the scales printed on ma
Worked example: Multiplying a 2 by 3 matrix by a 3 by 2 matrix
Act as my SS3 Mathematics tutor. Take me through one full worked example on multiplying a
Real-life Nigeria: The identity matrix, and what it does
Act as my SS3 Mathematics tutor. Show me where the identity matrix, and what it does turns
Teach me: The determinant of a 2 by 2 matrix
You are my personal SS3 Mathematics tutor. Teach me the determinant of a 2 by 2 matrix, wo
Spot my mistake: Forgetting to swap the leading diagonal when inverting
Act as my SS3 Mathematics tutor. Work a question on forgetting to swap the leading diagona
Practice set: Finding the inverse of a given 2 by 2 matrix
Act as my SS3 Mathematics tutor. Give me five practice questions on finding the inverse of
Spot my mistake: Multiplying by the inverse on the wrong side
Act as my SS3 Mathematics tutor. Work a question on multiplying by the inverse on the wron
Teach me: The shape of a quadratic graph, and what the sign of a does to it
You are my personal SS3 Mathematics tutor. Teach me the shape of a quadratic graph, and wh
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
Word problem: The path of a thrown object modelled by a quadratic
Act as my SS3 Mathematics tutor. Give me three word problems on the path of a thrown objec
Worked example: Sketching a quadratic from its factorised form
Act as my SS3 Mathematics tutor. Take me through one full worked example on sketching a qu
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
Real-life Nigeria: Reading the maximum or minimum value off the graph
Act as my SS3 Mathematics tutor. Show me where reading the maximum or minimum value off th
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
Worked example: Solving a quadratic graphically by adding a straight line
Act as my SS3 Mathematics tutor. Take me through one full worked example on solving a quad
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
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
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