Top answers

Differentiate 5x^2 - 7x +9

The general rule for differentiation is multiply by the power and decrease the power by one. So if we take each term individually starting with 5x^2, and multiply by the power giving 10 then reduce the power...
RG
Answered by Rachael G. • Maths tutor
1843 Views

How the use correctly the agreement of the past participle in passé composé?

Agreement of gender and number is necessary in two cases:The auxiliary verb used is être (in case of reflexives verbs and verbs related to movement, such as aller, venir, monter, descendre, etc. ). In this c...
MB
Answered by Mate B. • French tutor
3367 Views

How to make your personal statement unique

You need to ask yourself what make you unique compared to your friends, then your class, then your year. Then put this energy into the writing of the personal statement.The most important thing to remember i...
SI
2327 Views

Why are negative indexes used?

They are used to access locations from last indexes of any array. So lets say you want to print last two items of an array you will write print(A[-2:]) or if you dont want to display last 3 items of the arra...
SE
Answered by Samim E. • Python tutor
3022 Views

Which value of x gives the greatest value of "-x^2+8x-6"

There are 2 methods of solving this: completing the square or calculus, which makes this a versatile question for both GCSE and A Level students. It is also fairly simple to adapt. Using calculus, the equati...
TD
Answered by Tutor172970 D. • Maths tutor
3729 Views