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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...
OI
Answered by Olumide I. • Maths tutor
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Briefly explain how both social and environmental considerations are important in sustainable development (6 marks)

Sustainable development is defined by the Bruntland Report as development which meets the needs of future generations without compromising the ability of future generations to meet their needs. For this to b...
SM
Answered by Sophie M. • Geography 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 ...
JC
Answered by Jake C. • Maths tutor
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Outline the location of tropical rainforests and give a brief description of their climate (8 marks)

Tropical rainforests are located from 5-10 degrees from the equator. This is due to the location of the ITCZ line bringing significant rainfall to these regions, whilst also recieving strong UV radiation fro...
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Answered by Sophie M. • Geography tutor
3064 Views

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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