277 prompts matching "Evaluate a 3x3 determinant by expansion #5"
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Simplifying a surd by extracting square factors
I am in SS 1. Quiz me with 5 short Additional Maths questions on simplifying a surd by ext
Algebraic long division of a simple polynomial by a linear factor
I am in SS 1. Quiz me with 4 short Additional Maths questions on dividing a simple cubic e
Solving 4^x = 8^(x-1) by matching bases
I am in SS 1. I'm going to explain solving the equation 4^x = 8^(x-1) by writing both side
Multiplying a surd by an integer
I am in SS 1. Teach me multiplying a surd by a whole number, such as 4 times root 5, and s
Sequences given by a recurrence relation
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Factorising by taking out a common factor
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Factorising by grouping four terms
I am in SS 1. Teach me factorising an expression with four terms by grouping them in pairs
Simplifying an algebraic fraction by factorising first
I am in SS 1. Teach me simplifying an algebraic fraction by factorising both the numerator
Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Solving simultaneous linear equations by elimination
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on solv
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
WAEC Prep: Ordering a list of surds by size
Act as my SS 1 Further Mathematics teacher setting an examination question. Give me a ques
Practice: Multiplying a whole number by a surd
Act as my SS1 Further Mathematics tutor. Give me five practice questions on multiplying a
Explain Back: Multiplying root a by root b
I have just studied multiplying root a by root b in my SS1 Further Mathematics class. Let
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
Show All Working: Checking a rationalised answer by decimal approximation
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on checking a rati
Worked Example: Why multiplying by the conjugate clears the surd
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on why mu
Final Revision: Checking a conjugate answer by multiplying back
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of c
Show All Working: Showing a set is not closed by a single counter-example
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on showing a set i
Explain Back: Showing distributivity fails by a counter-example
I have just studied showing distributivity fails by a counter-example in my SS1 Further Ma