IGCSE Maths 0580 October/November 2021 Paper 42 Extended

Questions
0:00 Question 1a i, ii & iii
2:35 Question 1a iv
4:37 Question 1b
7:06 Question 1c
8:36 Question 1d
10:11 Question 2a
13:12 Question 2b i
16:33 Question 3b ii
20:25 Question 3b iii
22:48 Question 3a i
25:29 Question 3a ii
28:56 Question 3a iii
33:23 Question 3b
37:47 Question 4a
41:30 Question 4b
43:47 Question 5a
45:01 Question 5b
46:29 Question 5c
51:14 Question 6a
53:51 Question 6b
55:27 Question 6c
1:01:31 Question 6d ii
1:03:23 Question 6e
1:05:14 Question 7a i
1:07:19 Question 7a ii
1:12:00 Question 7a iii
1:15:39 Question 7b
1:20:44 Question 8a i & ii
1:26:07 Question 8a iii & iv
1:29:11 Question 8b
1:32:52 Question 9a
1:36:32 Question 9b i
1:38:33 Question 9b ii
1:42:35 Question 10a
1:46:05 Question 10b
1:47:36 Question 11a
1:51:15 Question 11b

[nkm]

Thank you so much I wasn’t understanding 8aii at all u helped so much

[amitrp]

could you explain in question 6d i, 1:00:46, how did you remove -18 from the equation ( do not understand how u can just put that on a different equation as +18, like is it possible to do so )

[ayotundeagbaje]

thanks a lot I found this really helpful and appreciate it alot

[useriamdumb]

you dont know how to teach because you are doing it the hard way my teacher did this one really easy with less working