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Negative externalities are one of the main causes for market failure, meaning that the market is not operating at its optimal level and that there is a loss of social welfare. Negative externalities are o...

One good way is to use the formula y - y₁ = m(x - x₁)where (x₁,y₁) is a point on the line and m is the gradient of the line. This is derived from the definitio...

This equation is an example of a quadratic equation, which is noticeable by the presence of the x² term on the left hand side. We begin to solve these types of equations by moving all the terms...

An advantage of conducting lab - based research is increased internal validity. This means that the psychologist can be more sure that they are measuring what they intended to measure. For example, if som...

Let us take this quadratic equation as an example:2x² - 3x - 14 = 0The key here is to look for two numbers that multiply to the same number that 2 and -14 multiply to make, so that is 28. The n...