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So we have y = 0 and therefore x² - 6x - 16 =0 

This is then factorised to (x+2)(x-8) = 0 and therefore we have x = -2, x = -8

To find the gradient we need to find dy/dx

So...

Generally, the imperfect tense should be used for events which happened regularly in the past or which took place over a period of time. The perfect tense is used more for one off events. So for example, ...

The Advantages are: 

Leads to effective, strong and stable government

Provides a clear link between MPs and their constituents

Prevents a minority party holding an ex...

Receptors are a group of specialised cells that are used by the body to detect different stimuli (changes in the environment). Receptors are most common in sensory organs like the eyes, ears and the skin....

The letter should include a introductory statement addressing the friend. It should say why/how the topic of the letter was thought of and why it could/does concern the addressee. The letter could include...