Top answers

Solve |3x+1| = 1

Firstly square both sides. This way, we now know that both sides have to be positive (3x+1)^2 = 1 (3x+1)(3x+1) = 1 Expand the quadratic... 9x^2 + 12x + 4 = 1 9x^2 + 12x + 3 = 0 Now complete the square. First...
DT
Answered by Dorothy T. • Maths tutor
7921 Views

AS Maths ->Expresss x^2 + 3x + 2 in the form (x+p)^2 + q... where p and q are rational number

So we are meant to rearrange the given equation in a way that it looks like: (x+p)^2 + q This should look familiar. It is obtained by completing the square. Which will be the method I will describe below: Fi...
JI
4370 Views

What is the conditional and how do we conjugate it?

The conditional is a useful tense, used to express things that could/would/should happen. They are commonly followed by an 'if', for example: I would go to the supermarket if I had some money - J'irais au su...
VP
Answered by Victoria P. • French tutor
3256 Views

Why do countries use anti-natalist policies and can you give an example of one?

If the birthrate in a country is too high, there will be many children, which will lead to a population explosion and a very rapid population growth - which may not be sustainable in terms of space or resour...
EF
Answered by Emma F. • Geography tutor
22513 Views

What is the difference between a caucus and a primary in the US election process

A caucus includes several meetings between party registers. These meetings can take place over weeks and sometimes months, in which it is discussed and debated over who the should become the next presidentia...
GS
Answered by Georgia S. • Politics tutor
3795 Views