755 prompts matching "Checking cofactors by expanding the determinant along a second row"
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Number of elements in a set from a Venn diagram region count
I am in SS 1. I'm going to explain counting n(A only), n(B only) and n(A and B) separately
Set operations exam question, multi-part
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a st
Explaining Venn diagram vocabulary in my own words
I am in SS 1. Teach me the key vocabulary of Venn diagrams and set notation such as univer
De Morgan's laws for sets
I am in SS 1. Teach me De Morgan's laws for sets, (A union B)' = A' intersection B' and (A
Set problem leading to a linear equation
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Logical reasoning puzzle solved using sets
I am in SS 1. I'm going to explain a short logical reasoning puzzle about groups of people
Recognising arithmetic vs geometric sequences
I am in SS 1. Teach me how to tell from a list of numbers whether a sequence is arithmetic
Word problem: arithmetic sequence in a savings context
I am in SS 1. Teach me a real-life word problem modelled by an arithmetic sequence, such a
Word problem: geometric sequence in a growth context
I am in SS 1. Quiz me with 3 short Additional Maths questions on a real-life word problem
Sigma notation for a sum
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on read
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
Mixed sequence exam question, arithmetic and geometric
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Sum of a geometric series with a negative common ratio
I am in SS 1. Teach me finding the sum of a geometric series where the common ratio is neg
Finding which term of a sequence equals a given value
I am in SS 1. Teach me finding which term number in an arithmetic or geometric sequence is
WAEC-style past question on arithmetic progressions
I am in SS 1. Teach me a complete WAEC Further Mathematics past-paper style question on ar
WAEC-style past question on geometric progressions
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Three consecutive terms word problem
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a wo
Finding a sequence's sum between two term numbers
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Sequences applied to simple interest vs compound interest
I am in SS 1. Teach me how simple interest over time behaves like an arithmetic sequence w
Sum of a series expressed with algebraic terms
I am in SS 1. Teach me finding the sum of the first n terms of a series where each term is