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How to find the gradient of a line?

The gradient, m, is the change in the y coordinates over the change in the x coordinates. M=(y 2 - y 1 ) / ( x 2 - x 1 )
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Answered by Hermione W. • Maths tutor
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Differentiate 7(3x^2+7)^(1/3)

Begin by differentiating the terms in the brackets, which gives just 6x. Bring 6x forward, out of the brackets, together with the index on the brackets - 1/3. This gives 42x/3 or 14x in front of the brackets...
TM
Answered by Tomas M. • Maths tutor
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I'm confused in the difference between the cell wall and the cell membrane?

Good question. It's quite common to get both terms confused and they're both refering to a protective component of the cell. The best way to remember it is, that the membrane is present in all cell types and...
RS
Answered by Rahmina S. • Biology tutor
9337 Views

Examine the view that Blanche’s attitude to sex and sexuality creates conflict in ‘A Streetcar Named Desire’.

Tennessee Williams’ 1947 play ‘A Streetcar Named Desire’ presents the character Blanche DuBois as an aging southern belle whose confused attitude to sexuality creates inner conflict within herself. Williams ...
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express (2x^2-3x-5)/(x^2+6x+5) in the form (ax+b)/(cx+d)

(2x-5)/(x+5)
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Answered by Matthew B. • Maths tutor
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