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How do you solve an equation by completing the square?

Firstly, you can only complete the square on quadratic functions (functions in the form Ax²+Bx+C)

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Answered by Emma J. • Maths tutor

5348 Views

What factors affect the demand for a resource?

One factor that affects the demand for a resource is the cost of it. For example, the price of petrol reduces the demand for it and people will find an alternative an cheaper way of c...

Answered by Sandev P. • Geography tutor

11075 Views

Q: Describe one atmospheric system and the effects it can have on the area.

One example of an atmospheric system is an anticyclone. This is a high pressure system where the air sinks causing it to warm up. As a result no air can rise so winds are light, thus no clouds are for...

Answered by Sandev P. • Geography tutor

4208 Views

Understanding differentiation from first principle.

What is first principle? Why does it look nothing like the differentiation I had been doing for the past few years?

Answered by Jia Hao L. • Further Mathematics tutor

9494 Views

When does one use the past and imperfect tenses in Italian?

In Italian, the past tense (passato prossimo) is used to indicate events or actions that have happened in the recent past and have been completed.