Top answers

All subjects
All levels

Explain why the trend in ionisation energy changes between group 5 and 6

Group 5 and 6 have a different electronic structure, with group 6 having one extra electron that group 5.

If we look at Hunds rule, which states that electrons must occupy orbitals individually bef...

KR
Answered by Kavita R. Chemistry tutor
20727 Views

f(x) = 4x^2 + 8x - 5 ; complete the square to find the turning point of f(x).

4x^2 + 8x - 5 = 0 4(x^2 + 2x - (5/4)) = 0 4((x + 1)^2 - 1^2 - (5/4)) = 0 4((x + 1)^2 - (9/4)) = 0 4(x + 1)^2 - 9 = 0 4(x + 1)^2 - 9 = 0 Turning point is at (-1, -9)

CK
Answered by Charlotte K. Maths tutor
9526 Views

Solve the simultaneous equations: y=x^2+4x-2, y=x+2

Equations: 1). y=x^2+4x-2 2.)y=x+2 x+2=x^2+4x-2 First put equation 1 in equation 2 0=x^2+3x-4 Make one side of the equation equal to 0 0=(x+4)(x-1) Factorise the equations Equations 3).x+4=0 4). x-1=0 One...

PA
Answered by Phoebe A. Maths tutor
3295 Views

I'm confused about the use of the conditional tense in German, could you explain how it's formed and its uses?

The first important thing to remember about forming the conditional tense in German is that both parts of the sentence must be in the conditional tense. Take for example the sentence 'If I woke up earlier...

FP
Answered by Finn P. German tutor
3093 Views

Do I have to go to the Medical School's open day?

The short answer is no. Firstly, medical schools understand that very few students attend four open days, medical schools are placed throughout the country and unless you are applying to four which are in...

PC
2102 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