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(Follow on from previous question) A curve has equation y= x^2+3x+2. Use your previous results to i) find the vertex of the curve ii) find the equation of the line of symmetry of the curve

i) y = x2+3x+2 = (x+3/2)2-1/4Solution for (x+3/2) = 0 is x coordinate, which is x = -3/2Solution for y value is the additional constant, which is y = -1/4Therefore the vertex (minimu...

RI
Answered by Ross I. Maths tutor
3313 Views

Express x^2+3x+2 in the form (x+p)^2+q, where p and q are rational numbers.

 x2+3x+2 = (x+p)2+q (x+3/2)2 = x2+3x+9/4 x2+3x+2 = (x+3/2)2-9/4+2 x2+3x+2 = (x+3/2)2-1/4

RI
Answered by Ross I. Maths tutor
7974 Views

Perfect competition theory is based on very unrealistic assumptions. Evaluate whether such a theory is useful in explaining the behaviour of real world firms.

The main assumptions of the model of perfect competition are: the number of selling firms tends to infinite, both sellers and buyers are price takers (i.e. they cannot influence the market price), identic...

KV
Answered by Konrad V. Economics tutor
18735 Views

Compare a eukaryotic cell with a prokaryotic cell

Both the eukaryotic and prokaryotic cells have a cell surface membrane and contain cytoplasm and ribosomes. However, eukaryotic cells contain membrane bound organelles, such as mitochondria, nuclei, endop...

RO
Answered by Rebecca O. Biology tutor
3721 Views

How do I write an A grade essay?

It is vital to have strong thesis statements that draw the reader in. Knowing your texts deeply is very helpful, this will enable you to be able to refer to key quotes as well as particular events. For A-...

ZG
Answered by Zoe G. English tutor
1550 Views

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