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State the meaning of the term infiltration (2 marks)

Infiltration is the process by which water enters the ground by seeping through pores in soil or any other surface. Rates of infiltration depend on factors such as soil saturation level, compaction or partic...
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Answered by Sophie M. • Geography tutor
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How do I use the quadratic formula?

So far in your learning it is likely that you have been learnt that if you can't factorise a quadratic equation then you can not solve for x. The quadratic formula is overcomes this restriction, allowing you...
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Answered by Olumide I. • Maths tutor
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Q) The equation of a curve is y=(x+4)^2+7. Find the co-ordinates of the turning point

Full Explanation: We have our Equation: y=(x+4) 2 +7 At the turning points, the gradient, (m) is zero m=0 = dy = 0To work out the gradient, we must differentiate the equation dx The formula to differentiate ...
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Answered by Jake C. • Maths tutor
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How do I get good marks in the exam?

Plan what you are going to write, before writing it. Spend a few minutes thinking about the text you have been presented with and underline key words and phrases. Consider the quotes you have memorized and w...
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How do I form the future tense of a verb?

The future is one of the best tenses to learn as its endings are the same for all 3 types of verbs. Firstly, you must find the infinitive of the verb you want to use, which in English is the 'to' form of the...
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Answered by Ben C. • Spanish tutor
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