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What is the best way to prepare to sit my exams?

I found that the best way to prepare was by looking at past exam questions and attempting them under exam conditions - timed, in silence, and without notes. It can also be useful to look over worksheets that...
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Answered by Tegan C. Maths tutor
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Factorise x^2 −x−12

To factorise you need to look at common factors. And it needs to be put into the expression (x+/- y)(x+/- v)For X 2 -X-12, you need two numbers that times to make -12 and add to make -1-1X12, -12X1, -6X2, -2...
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Answered by Lauryn P. Maths tutor
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How do I use Pythagoras to work out the length of a triangle?

Pythagoras is a theory that works for right-angled triangles and allows us to work out the length of its sides.The theory is: x 2 = a 2 + b 2 (I will show this with a diagram)I will then walk the student thr...
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Answered by Florence B. Maths tutor
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When going around a roundabout, why do I feel a force pulling me outwards?

The force pulling you outwards is what is called fictional force. Actually, there is a force pulling the car inwards and since Newton's Laws mean that you want to keep moving forwards rather than going aroun...
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Answered by Jasmine C. Physics tutor
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Describe the Control of Blood Sugar Concentration in the body under normal physiological conditions (4 Marks)

Blood glucose concentration is monitored and controlled by the pancreas (1 Mark)If blood glucose is too high then the Pancreas produces the hormone Insulin (1 Mark)From beta cells (1 Mark)This results in glu...
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Answered by Thomas C. Biology tutor
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