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Sketch the curve y=x^2-x-6

This curve is a quadratic due to the highest power in the equation being two. Quadratics typically have the shape of a U. Due to the coefficient of the x^2 term being positive, the curve is increasing for...

MA
Answered by Masum A. Maths tutor
7279 Views

What's the best way to write a focused comparative essay?

When writing about long texts like novels or plays it can be difficult to keep both texts in mind while structuring a focused answer. There are two things that you need to keep in mind: keep answering the...

LT
Answered by Lucy T. English tutor
1746 Views

Solve the simultaneous equations 'x-2y=3' and 'x^2+2y^2=27'

Equation 1: x-2y=3Equation 2: x2+2y2=27The easiest way to do this is to put one of these equations into the other, by rearranging for either x or y. Because there are no squares to d...

TK
Answered by Tahmid K. Maths tutor
7461 Views

What is the difference between Ser and Estar?

When contemplating whether to use Ser or Estar, I find the best expression to help you remember is 'for how you feel and where you are always use Estar'!Despite both verbs meaning 'to be', ser is used wh...

GS
Answered by Georgia S. Spanish tutor
2037 Views

When should you use the present subjunctive tense

There are many different uses for the subjunctive tense or 'congiuntivo' however it is most commonly used when the speaker or writer is expressing uncertainty or doubt instead of a fact. The subjunctive o...

GS
Answered by Georgia S. Italian tutor
2084 Views

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