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differentiate with respect to x : y = x^2 -5x

to find dy/dx, multiply each item by the power of the x, and then decrease the power of the x by 1.Step 1 : 2 x^2 -1 5x (multiplying by power of x)Step 2 : 2 x^1 -1 5x^0Therefore:dy/dx = 2x - 5.
BA
Answered by Branwen A. • Maths tutor
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'Examine the claim that development is impossible to measure'

To measure development it needs to be defined. The are different types of development - environmental, social, economic. It can be argued that development is impossible to measure, due to the fact that it is...
RK
Answered by Ruby K. • Politics tutor
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Discuss Virgil's use of the themes of furor and pietas in Aeneid Book 12.

Book twelve of the Aeneid, the final book of the epic, culminates in a final act which epitomises the relationship between furor (rage) and pietas (duty to family, gods and state) which has been central to t...
HA
Answered by Harvey A. • Latin tutor
5593 Views

solve this simultaneous equation: 2x + 3y = 19 (Eq1) and 3x + y = 11 (Eq2)

Begin by multiplying the second equation by three in order to get a 3y value: 9x + 3y = 33. We can now subtract equation one from equation two, 9x + 3y = 33 and 2x + 3y = 19 -->7x + 0y = 14. Resulting in,...
TB
Answered by Tomas B. • Maths tutor
4845 Views

What is essential to an essay?

The style of writing and essays can definitely be ambiguous! However, there are some crucial things you need to be doing when writing an essay especially for A level History.Make an argument and keep to it -...
AM
Answered by Adila M. • History tutor
2483 Views