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The curve has equation y = x^3 - x^2 - 5x + 7 and the straight line has equation y = x + 7. One point of intersection, B, has coordinates (0, 7). Find the other two points of intersection, A and C.

As both equations are equal to y, we can combine them to create a single equation in terms of x: x^3 - x^2 -5X + 7 = x + 7. Shift the equation so the left hand side is equal to 0 on the right: x^3 - x^2 - 6x...
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Answered by Alfie B. • Maths tutor
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Briefly outline the divisions and roles of the human nervous system.

The role of the nervous system is to collect, process and respond to information in the environment and to coordinate the workings of organs and cells in the body. It is subdivided into the central nervous s...
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Answered by Sammy L. • Psychology tutor
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Describe the changes in forces experienced by a parachutist after they have started falling

Initially, the parachutist will experience a greater downwards force due to gravity which causes them to accelatae downwards. As they accelarate, the upwards force of air resistance will increase. They will ...
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Answered by Iona N. • Physics tutor
3710 Views

How do plants alter the way in which they grow in response to light?

Plants have photoreceptors in the tips of their shoots. If light is detected from a specific direction, the plant will produce auxins which diffuse fown the shoot of the plant. The auxins increase in concent...
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Answered by Iona N. • Biology tutor
2893 Views

What are material factors and how do they affect educational achievement?

This question needs to be broken down in to two elements; 1 st what is material capital and what are examples of material capital 2 nd what is educational achievement and how can this be shown in schools. To...
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Answered by Emily R. • Sociology tutor
13387 Views