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When would I use the subjunctive tense?

In Spanish, the "subjunctive" is described as a "mood" rather than a tense. It can be quite difficult to get your head round but it's just about remembering its different uses; actually f...
KA
Answered by Katy A. • Spanish tutor
4170 Views

Solve for x: 2x^2 + 7x + 6 = 0

Solve for x: 2x 2 + 7x + 6 = 0 The first thing to do is look at the left hand side and factorise it. To do this we use the reverse of FOIL. Then when the expression is factorised, we can solve for x. 1. Firs...
AC
Answered by Asher C. • Maths tutor
20141 Views

How would a change in income affect the quantity demanded of an inferior good?

Goods can be classfied as either normal or inferior when we examine how a change in income of a consumer affects how much of agiven good they choose to consume. In most circumstances one would expect that if...
BM
Answered by Bertie M. • Economics tutor
14277 Views

What should I do if I forget an important word or phrase during the speaking exam?

Speaking exams can be very daunting, but it's important to remember that these exams haven't been designed to trip you up in any way. The examiner will want you to do well too! It's also important not to be ...
JC
Answered by Jennifer C. • Spanish tutor
4835 Views

What is the Schwarzschild radius of a black hole?

This is the radius of a sphere around a black hole, at the surface of which, for any object to be be free of its gravitational pull its escape velocity be equal to the speed of light.
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Answered by Richard E. • Physics tutor
6644 Views