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How is the quadratic formula used?

When you are told to solve a quadratic equation and when factorising is not possible, quadratic formula can be used to find out the solution. First you will need to get the coefficients from the quadra...

DA
Answered by Darem A. Maths tutor
3949 Views

What is an enzyme?

Enzymes are proteins that are folded into specific shapes to allow for certain 'substrates', the other molecule involved, to bind. This area of binding is known as the 'active site', as it's where all ...

SM
Answered by Shauna M. Biology tutor
4438 Views

How do I put 10101011 from binary into decimal?

As with all binary numbers, you can start from the right side. The furthest right place represents the 20 (=1) place. As you move left, the places represent 21, 22, 2...

LG
Answered by Lauren G. Computing tutor
6290 Views

What is SQL? I know it's a 'query' language, but what does that mean?

As you said, SQL is a query language that is used for databases. A 'query' language when referring to databases means that it is the language used to get information out of the database. 
Databases c...

LG
Answered by Lauren G. Computing tutor
3376 Views

What do 0s and 1s have anything to do with Boolean Logic?

In computers, everything is represented with 0s and 1s. While Boolean Logic is often explained using the terms 'true' and 'false', these are actually represented by the numbers 0 and 1.
0 means 'fals...

LG
Answered by Lauren G. Computing tutor
3057 Views

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