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First we find the gradient by differentiation. Differentiating the expression for the curve gives dy/dx=2x-2. Subbing in x=-1 gives dy/dx=-4 so the gradient of the line is -4.
To find the y intercep...

The actus reus of the crime translates in latin to 'the guilty act' and is the objective, external element of the crime. For example, the actus reus of a speeding offence would be driving the vehicle over...

After defeating King Richard III on the battlefield, Henry VII had to move quickly to consolidate his power and secure his place on the throne. The country had been at civil war for more than fifty years,...

An indirect tax (when a government places a tax on goods or services) on cigarettes is an example of the correction of a negative externality of consumption (a market fai...

An example of social research is Milgram's obedience study which investigated how far a person would obey instructions when it involved harming another individual. Participants were classified as the 'tea...