Top answers


Can you explain the approach to solving IB maths induction questions?

Proof by maths induction is a type of proof used in mathematical analysis to demonstrate that a certain expression or statement P(n) involving an arbitrary neutral number n is true for all n belonging to N. ...
VB
Answered by Vlad B. Maths tutor
2382 Views

Explain how two populations of organisms may develop into two separate species.

The first thing to identify here is that this is a question about evolution. Students should look to give a comprehensive explanation of how organisms evolve via natural selection, while framing the answer w...
WS
Answered by Will S. Biology tutor
6300 Views

Which of these options is the next in the sequence?

The answer is C. There are two patterns as part of this abstract reasoning sequence. Each central square contains shape(s). The number of sides of these shapes increases by one each time. The shapes within t...
MW
Answered by Matthew W. UCAT tutor
4576 Views

When do you use 'a la' and when do you use 'au'? How do you know which one to use?

[Using the whiteboard and colours to differentiate the feminine, masculine, and plural]. 'A la' and 'au' are linked to the genre of the subject of the sentence. The subject is what you are talking about. For...
JR
Answered by Julie R. French tutor
11291 Views

What was religion like under Elizabeth I?

[Using the whiteboard] Let's first look briefly at the Tudor Kings and Queens before Elizabeth (to understand what religious problems Elizabeth was facing when she became Queen). Lets start with her father H...
JR
Answered by Julie R. History tutor
3885 Views