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Show how to derive the quadratic formula

You have a general quadratic of the form: ax^2 + bx + c = 0, where a,b,c are constants (although is consistent for functions). Divide by a (assuming a/=0, this would not be a quadratic in that case):x^2 + (b...
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Answered by Tom F. • Maths tutor
4058 Views

How can a mutation in a sequence of DNA affect the function of a protein?

Firstly, it is important to recap how DNA codes for synthesis of proteins. mRNA is formed from complementary base pairing to the template strand of DNA in a process called transcription. Every 3 bases within...
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Answered by Ben L. • Biology tutor
32390 Views

What is the difference between the preterite and the imperfect tense in Spanish?

The preterite tense is used to describe one off, completed actions that happened in the past. Some examples are: I WENT to the park (fui al parque), I ate a sandwich (comí un bocadillo). The imperfect tense ...
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Answered by Samuel W. • Spanish tutor
1994 Views

What features of a laptop increase the speed at which it runs?

A higher clock speed (measured in hertz) means that the computer performs more tasks each second and so a program will run faster. Also, the greater the number of cores the machine has, the more operations c...
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Answered by Samuel W. • ICT tutor
1555 Views

What are the benefits of using thin clients.

A thin client is a simple computer with basic hardware. In networking, these are used as access points for a user, using the resources of a central server.The simplicity of the hardware means that for many u...
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Answered by Samuel W. • Computing tutor
2279 Views