156 prompts matching "IGCSE practice: Checking a perpendicular distance by construction"
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
Word problem: A two-commodity pricing problem solved by matrices
Act as my SS3 Mathematics tutor. Give me three word problems on a two-commodity pricing pr
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
Practice set: Cramer's rule as an alternative method
Act as my SS3 Mathematics tutor. Give me five practice questions on Cramer's rule as an al
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
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
Teach me: Solving an equation by finding where two graphs meet
You are my personal SS3 Mathematics tutor. Teach me solving an equation by finding where t
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
Practice set: Solving simultaneous equations graphically
Act as my SS3 Mathematics tutor. Give me five practice questions on solving simultaneous e
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
Practice set: Estimating quartiles and percentiles from an ogive
Act as my SS3 Mathematics tutor. Give me five practice questions on estimating quartiles a
WAEC pitfalls: Dividing by the wrong number of items
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on dividin
Practice set: The mean deviation of grouped data
Act as my SS3 Mathematics tutor. Give me five practice questions on the mean deviation of
Practice set: Converting between a pie chart and a bar chart
Act as my SS3 Mathematics tutor. Give me five practice questions on converting between a p
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
Worked example: Compound interest worked year by year and then by formula
Act as my SS3 Mathematics tutor. Take me through one full worked example on compound inter
Practice set: Finding the principal, rate or time from the interest
Act as my SS3 Mathematics tutor. Give me five practice questions on finding the principal,
WAEC-style revision: quadratic equations
Act as a WAEC Mathematics tutor. I am in SS 3. Give me 5 exam-style questions on solving q