Top answers

All subjects
All levels

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 ap...

ED
Answered by Emma D. Maths tutor
4456 Views

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 intermo...

SB
Answered by Sam B. Chemistry tutor
8567 Views

Solve 2y + 17 = 6y + 5

Subtract 2y from both sides:4y = 12Divide by 4:y = 3

SB
Answered by Sam B. Maths tutor
3702 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,...

OC
Answered by Olivia C. French tutor
1945 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 e...

SM
2491 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning