Top answers

How do you factorise a quadratic equation?

A quadratic expression is of the form ax ​2 +bx+c. It is often useful to know what values of x will make the expression equal to 0; these are known as the roots of the equation. An easy way of seeing what th...
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Answered by Tim W. • Maths tutor
5071 Views

Why does current split between branches of a parallel circuit, but voltage remains the same for each branch?

Current is the rate of flow of charge in a circuit; you can imagine the flow of electrons as water flowing through a pipe. If the pipe splits into two, some of the flow will go through one pipe and some thro...
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Answered by Rose A. • Physics tutor
40291 Views

How do you differentiate parametric equations?

Parametric equations are a set of equations which both depend on the same variable, such as t. An example of this would be: x = 2t 2 ​+1 and y = t ​4 ​-2 As the value of t changes the equations will give you...
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Answered by Tim W. • Maths tutor
6529 Views

What are the effects of TNCs is both the countries they operate in and their home countries?

Countries they operate in + Provide employment opportunities in developing nations - Coca-Cola factory in Egypt employs 12000 people and created 120000 indirect jobs + Help developing nations enter the globa...
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Answered by Luis D. • Geography tutor
6726 Views

What are the general accent rules in Spanish?

Words ending in a vowel, ‘n’ or ‘s’ are stressed on the penultimate syllable.Words ending in a consonant (not ending in ‘n’ or ‘s’) are stressed on the last syllable.Words that break these two rules have an ...
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Answered by Simon C. • Spanish tutor
8535 Views