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The equation of a curve is y = ax^2 + 3x + c where a and b are integers. The curve has a minimum point at (1,1), find a and c

We start by trying to find out the values of a and c using the information about the minimum point. We know we can rearrange the right hand side by completing the square: y = a(x^2 + 3x)+cy = a(x+3/2a)^2+c-(...
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Answered by Larbi E. • Maths tutor
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solve x^2 >3(x+6) (4 mks)

x 2 >3(x+6)Firsty expand brackets --> x 2 >3x+18Then make one side = to 0 ---> x 2 -3x-18>0Solve the quadratic (x+3)(x-6)>0find the solutions when =0 x=-3 and x=+6Then sketch the graph or d...
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Answered by Lucy C. • Maths tutor
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How has the writer structured the text to interest you as a reader?

Make sure to read the text properly and analyse the writer's choice of languageWhat effect does it have on the reader?Ensure to quote your text in order to back up your pointsCorrect and sophisticated termin...
Answered by • English Language tutor
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How does Stevenson portray Mr. Hyde as a monster?

Introduction:Introduce your main lines of argument (remember, its important to make a quick 5 minute plan to make sure you know what to write about before starting your essay)Try and offer a little explanati...
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During fractional distillation, what are we seperating and how are we seperating them?

During fractional distillation, the process of heating a mixture is used to seperate fractions. Each fraction has a different boiling point. As we begin to heat the mixture, the substances that have a lower ...
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Answered by William T. • Chemistry tutor
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