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Solve x^2+6x-7 by completing the square.

We know that to complete the square we put the equation in the form (ax+b)^2+c=0. So we must do that to our equation.

We will begin by establishing what will be within our squared brackets. As ther...

Answered by James C. • Maths tutor

9236 Views

What are 'checks and balances'?

Checks and Balances, as it is referred to in the American system, is a system of limiting power which allows the branches of government to put a 'check' on one another in order to stop political dominatio...

Answered by Katrina M. • Government and Politics tutor

4656 Views

How do I begin to answer a source question?

Source questions are much easier when they are broken down into what we are truly asking about the source:

Is this source reliable?

Is this source useful?

Answered by Katrina M. • History tutor

24344 Views

How do I become confident in speaking another language?

Confidence in languages is underestimated and it depends on the attitude and personality of the student. The majority of students associate confidence with fluency - however, the easiest way to achieve co...

Answered by Chloë I. • German tutor

1851 Views