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Solve the simultaneous equation 2x + y = 18 and x - y = 6

With linear simultaneous equations the best thing to do is find one variable first and in this question we will find x first. We will start by rearranging the second equation to give us y = x - 6. Now we wil...
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Answered by Rita O. • Maths tutor
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Explore the ways in which strong emotions caused by love are presented in A Birthday and Memory, poems by Christina Rossetti

EXAMPLE INTRODUCTION:Birthday may be considered among one of Rossetti’s most lively, expressive and passionate poems - a refreshing change from her usual style seen in the poetry collection. The poem, althou...
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Fully factorise and simplify (x^2 +7x + 10) / (x^2 - 25)

Simplify the numerator (top) by finding the pair of numbers which multiply together to give the C term of the quadratic, and add to give the B term. This gives 2 and 5 so the equation becomes (x+2)(x+5) / (x...
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Answered by Nikolai P. • Maths tutor
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Why Did Decolonisation Bring About a New Wave of Extreme Violence?

Decolonisation began in 1776 when the United States of America declared independence from the British Empire, but truly took hold after the Second World War ended in Europe in 1945. As part of the 1941 Atlan...
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Answered by Orfhlaith M. • History tutor
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We are given y=(x^2)+3x-5. Find the derivative of y in terms of x.

From the question we have, y=x 2 +3x-5 The rule of differentiation, is that you take the power on the x and bring it to the front, leaving the power-1 behind. In other words if you have x n then the derivati...
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Answered by Maya B. • Maths tutor
6987 Views