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What are negative externalities, and what policies can the government implement to reduce them?

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 one ...
CL
6975 Views

How can I find the equation of a straight line on a graph?

One good way is to use the formula y - y 1 = m(x - x 1 )where (x 1 ,y 1 ) is a point on the line and m is the gradient of the line. This is derived from the definition of the gradient m=(y 2 -y 1 )/(x 2 -x 1...
MB
5243 Views

How do I solve the equation x^2 + 6 = -5x

This equation is an example of a quadratic equation, which is noticeable by the presence of the x 2 term on the left hand side. We begin to solve these types of equations by moving all the terms to one side ...
VA
Answered by Viktor A. • Maths tutor
5081 Views

Outline one advantage and one limitation of using labs to conduct research rather than a natural setting

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 somebo...
ET
Answered by Ella T. • Psychology tutor
4549 Views

how do i factorise a quadratic equation when the coefficient of x^2 is not 1?

Let us take this quadratic equation as an example:2x 2 - 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 numbers should...
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Answered by Ella T. • Maths tutor
4218 Views