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Find the equation of the straight line passing trough the points (-2,1 ) and (1, 4).

Firstly you need to understand the question. It asks for the equation of a straight line, which is linear, thus of the form y = mx+c. Now, knowing that the equation is of that form we firstly need to find...

Answered by Alin G. • Maths tutor

2417 Views

how do you know when to use a direct or an indirect object pronoun?

Direct object pronouns: me, te, le, la, nous, vous, les me, you, him, her, us, you (pl), themIndirect object pronouns: me, te, lui, nous, vous, leur to me, to you, to him/her, to us, to you (pl), to themO...

Answered by Lauren S. • French tutor

1350 Views

A batch of Titanium(iv) Chloride is electrolysed in a chemical plant. (a) State the type of bonding in Titanium(iv) Chloride and why it has to be molten in order to undergo electrolysis. (b) Explain why a DC current has to be be used for electrolysis.

(a) Ionic bonding. Ions are free to move/flow(b) So only one product is produced at each electrode OR So that the cathode/anode stays negative/positive which allows only the positive/negative ions to reac...

Answered by Azhar S. • Chemistry tutor

2082 Views

Explain the trend in boiling points for the group 6 hydrides (O,S,Se,Te). Diagram would be included.

There are 2 factors that affect this problem.
(1) The hydrogen bonding ability of H₂O which increases the boiling point.The partial charges, induced by the higher electronegativity of oxyg...

Answered by Jack R. • Chemistry tutor

32498 Views

What are two potential macroeconomic effects of a rise in interest rate? (8)

Firstly, a rise in interest rate could negatively impact investment within an economy. This is because the interest rate would increase the cost of borrowing and thus deter firms from taking out loans to ...

Answered by Rhys E. • Economics tutor

1847 Views