755 prompts matching "When the matrix method is worth the work for three unknowns"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Changing the subject when the variable appears twice
I am in SS 1. Teach me changing the subject of a formula where the required letter appears
Spot My Mistake: Rationalising and then cancelling a common factor
Act as my SS1 Further Mathematics tutor. Work a question on rationalising and then cancell
Show All Working: Finding a and b when a plus b root 2 equals a given surd
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on finding a and b
Show All Working: Writing a quadratic solution set in interval form
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on writing a quadr
Rationalising using the conjugate
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on rati
Rationalising and then simplifying fully
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a tw
Distributive law for sets
I am in SS 1. I attempted an Additional Maths question on the distributive law connecting
Solving for x when three terms are in geometric progression
I am in SS 1. Teach me finding the value of x given that three algebraic expressions in x
Finding the first term or common difference from the sum formula
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on rear
Common student mistakes with progression formulas
I'm going to explain the most common mistakes SS1 students make when applying the AP and G
Explaining why sum to infinity only works for |r| < 1
I am in SS 1. Quiz me with 5 short Additional Maths questions on explaining, using a numer
Distance formula with negative coordinates
I am in SS 1. Teach me finding the distance between two points where some coordinates are
Factorising the sum and difference of two cubes
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on fact
Practice: Deciding whether root 16 is rational or irrational
Act as my SS1 Further Mathematics tutor. Give me five practice questions on deciding wheth
Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
Act as my SS1 Further Mathematics tutor. Work a question on the decimal expansion of an ir
Show All Working: Classifying a mixed list of numbers as rational or irrational
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on classifying a m
Show All Working: Deciding whether two given surds are equal without a calculator
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on deciding whethe
Spot My Mistake: Dividing one surd by another
Act as my SS1 Further Mathematics tutor. Work a question on dividing one surd by another w
Worked Example: Rationalising a denominator that is a single surd
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on ration
Practice: Rationalising a denominator with a whole number multiplying the surd
Act as my SS1 Further Mathematics tutor. Give me five practice questions on rationalising