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This is an example of completing the square.If we expand (x - p)^2 + q, we will have x^2 -2px + p + q.Now we can use algebra to work out what p and q are from the following equation. x^2 - 7x + 2 = x^2 -2...

there are five different distinct methods whihc can be used to determine time of death:

1. Body tempreture:

The body cools after death as there are no heat producing metabolic reac...

In essence, there are two main theorists behind the stages of child development: Piaget and Vygotsky. Piaget's theory is based on the assumption of the existence of schemas. Schemas are defined by Piaget ...

Initally, benzene was thought to have the kekule structure. This was thought to be an interconversion of two different discrete strucutres of a 6 carbon ring with single and double bonds. However there we...

Let the parabola be y=x² and let the family of lines be y=2x+c, in order to study the intersection points we need to consider the second order linear system given by having the two equations ab...