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How do I compile a successful portfolio?

At this early stage in a design based or creative education, people are not looking for specialisation - they are looking for the opposite. A successful portfolio will have variety, no two projects should be...
GK
Answered by Gregory K. • Art tutor
1785 Views

How does pH relate to pKa?

pH measures the concentration of H + (protons) in an aqueous solution. pK a measures the ability for an acid to dissociate in an aquesous solution. Their relationship can be described my the Henderson-hassel...
CW
3889 Views

In both ‘Poem for My Sister’ and ‘To a Daughter Leaving Home’ the speakers describe feelings about watching someone they love grow up. What are the similarities and/or differences between the ways the poets present those feelings?

https://filestore.aqa.org.uk/resources/english/AQA-87022-SQP.PDF - the sample paper where both poems can be found. In both ‘To a Daughter Leaving Home’ and ‘Poem for My Sister’, the poets express fear and an...
NM
Answered by Niamh M. • English tutor
38180 Views

2 log(x + a) = log(16a^6) where a is a positive constant. How do I find x in terms of a?

The left hand side of the equation can be rewritten as log(x+a)^2, using the power rule for logs. We can then simplify log(x+a)^2=log(16a^6) to (x+a)^2=16a^6. Taking the square root of both sides, we find x+...
EV
Answered by Emily V. • Maths tutor
15495 Views

How do I solve quadratic equation by completing the square : X^2 - 4X = 5

We have X 2 - 4X = 5, write the expression on the left side as X 2 - 2•2X = 5. Then we would need extra term 4 to complete the square, so adding 4 on the both sides gives us, X 2 - 2•2X + 4 = 5 +4. Simplify ...
RK
Answered by Rabin K. • Maths tutor
4295 Views