IGCSE Mathematics January 2020 - 4MA1/1H

IGCSE Mathematics January 2020 - 4MA1/1H

Contents:
00:00 - Intro
00:10 - Question 1
01:29 - Question 2
02:33 - Question 3
03:23 - Question 4
05:33 - Question 5
07:13 - Question 6
08:31 - Question 7
09:55 - Question 8
10:55 - Question 9
11:29 - Question 10
13:02 - Question 11
14:13 - Question 12
16:26 - Question 13
17:31 - Question 14
19:22 - Question 15
23:08 - Question 16
24:35 - Question 17
27:33 - Question 18
29:24 - Question 19
30:50 - Question 20
33:36 - Question 21
36:09 - Question 22

[amk]

Thanks for the video, but for question 7d where did the denominator go, you also didn’t multiply each side by 2

[cowpow]

For question 18 the mark scheme answer is different, however i also got the same answer as you did using a different method. Can you explain if the answer you got would also be accepted or not please. And also thank you for making videos like this! It helps me a lot.

[Learners_Hop]

Hi, I didn't understand question number 5. Can you help?

[itzz_dislike]

in qestion number 3 how do you get 129 by adding 108+3X?

[zboy]

At 37:41 how did you simplify the gradient cutting (15+k) and (j+6) both being over 2 and the -1 and -4

[chimpu-lsfg]

great vid but q16 is 27.40845 = 2dp is 27.41 @24:33

[adhamsalah]

for the last question could you show how you can use equations 2 and 3 to find the answer?

[tulcra]

hello, on question 15b how did you know to differentiate?

[ryu]

For Question 20, how did you get co-ordinate D?

[theantihero]

hi..I don't understand how you get the x value as 1 in Q20