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Curve C has equation x^2 - 3xy - 4y^2 + 64 = 0. a) find dy/dx in terms of x and y. b) find coordinates where dy/dx=0.

a) This is no standard differentiate question. You will need identify the fact that the equation contains both x and y terms and thus you will need to differentiate with respect to both. This involves applyi...
ED
Answered by Emma D. • Maths tutor
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Why do simple covalent molecules compounds have low melting and boiling points?

Define:A simple covalent compound consists of a small number of non-metal elements covalently bonded together. (1)For example, H2O , CO2, O2. (1)Relate to MP/BP: The small molecules have only weak intermolec...
SB
Answered by Sam B. • Chemistry tutor
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Solve 2y + 17 = 6y + 5

Subtract 2y from both sides:4y = 12Divide by 4:y = 3
SB
Answered by Sam B. • Maths tutor
3799 Views

How do I form the perfect tense of regular verbs in French?

The perfect tense is used for completed actions in the past , for example, 'I played'- ' j'ai joué 'To form the perfect tense, we need a subject (a noun, name, or pronoun - je, tu, il , etc.), an auxiliary (...
OC
Answered by Olivia C. • French tutor
2018 Views

What is meant by the term 'checks and balances'?

The term 'checks and balances' defines the ability of different branches of government to stop each other from acting; it is designed to prevent one branch from gaining an inordinate amount of power. An exam...
SM
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