Top answers

Solve: x^8-17x^4+16

You should treat the question as you would a normal quadratic and complete the square. First you should look at the factors of 16 and see which pair would result in the -17x; you can see that it would be -1 ...
JG
Answered by Jessica G. • Maths tutor
12689 Views

Analyse two factors outside schools that contribute to working class underachievement – 10 marks.

One cultural factor outside the school, that contributes to working class underachievement is parent’s education; Douglas (1964) argues working class parents place less emphasis on education, whilst middle c...
JE
Answered by Jasmine E. • Sociology tutor
39236 Views

3(a+4)=ac+5f. Rearrange to make a the subject.

3(a+4)=ac+5f 3a+12=ac+5f 3a-ac=5f-12 a(3-c)=5f-12 a= (5f-12)/(3-c)
RR
Answered by Rumana R. • Maths tutor
4693 Views

How do I form the passé composé and when do I use it?

The passé composé is a past tense in french, and is used for completed actions in the past. It has two equivalents in english: both "I ate" and "I have eaten". Therefore, if you are descr...
EP
Answered by Eleanor P. • French tutor
3565 Views

What are the main differences between magnetic and electric fields?

Magnetic and electric fields share many similarities and symmetries (for example they both act on electric charge and obey an inverse square law of force), but there are some important differences. One diffe...
SH
Answered by Sam H. • Physics tutor
21886 Views