# AQA Pure Core 2 AS Maths Exam 25th MayWatch

Announcements
3 years ago
#21
WILL I BE GIVEN TRAPEZIUM RULE FORMULA AND other formulas like sum to infinity UN e.t.c.
0
3 years ago
#22
(Original post by B_9710)
First of all lets make all logs have the same base.
then using the power rule you get . As all logs in the equation have base 10 I'm not going to bother putting the base in any more.

. Notice 2 of the terms cancel on both sides of the equation.
This leaves

this obviously means that
Thanks a lot. This has cleared up really well. The bases of the logs makes good sense now
0
3 years ago
#23
(Original post by Hart)
WILL I BE GIVEN TRAPEZIUM RULE FORMULA AND other formulas like sum to infinity UN e.t.c.
Yes. But u may be confused by the trapezium rule formula in the book.

Instead remember: h/2x(1st + last +2( + all the rest))
0
3 years ago
#24
How much revision have you guys done?
Done all the past papers and looked at some of the Solomon ones but always mess up in the questions with lots of marks.
1
3 years ago
#25
Thanks my G. Do u think we'll get a log question that hard
0
3 years ago
#26
(Original post by Namita Gurung)
How much revision have you guys done?
Done all the past papers and looked at some of the Solomon ones but always mess up in the questions with lots of marks.
Thats exactly what i do! Its too late to do anyrhing now though
0
3 years ago
#27
what paper is that question
0
3 years ago
#28
(Original post by Hart)
Thanks my G. Do u think we'll get a log question that hard
Maybe not quite that hard but it will still be hard. These papers getting substantially more difficult over the past few years.

A tip for logs. If U have a number sitting by itself amongst logs then u can convert that number into a log by making the base and the number after it the same.

4 = 4log10 10
0
3 years ago
#29
(Original post by Hart)
what paper is that question
He didn't take it from a paper. Look at th log questions from 2015 and 2014 and u will find some equally as hard
0
3 years ago
#30
There's definitely gonna be a Hard trig and or a hard logs questions.
0
3 years ago
#31
I just made up the question. I didn't realise it would work out so nicely so was a bit disappointed.
0
3 years ago
#32
guys if I get a question like 3^2x-1 = 0.05, I can just use my calculator's log function to to work it out e.g. log 3 0.05 = 2x-1 right? Because on at least the 2010 c2 paper you had to use the 3rd law of logs to work it out...
0
3 years ago
#33
I have never learnt change the bases log rule. If it comes up I'm going to drink bleach
0
3 years ago
#34
(Original post by Heisenberg 23)
I have never learnt change the bases log rule. If it comes up I'm going to drink bleach
Don't remember it understand it. Take the general equation and take logs with different bases and just mess around and you will the result I posted earlier in the thread.
0
3 years ago
#35
(Original post by Heisenberg 23)
I have never learnt change the bases log rule. If it comes up I'm going to drink bleach
It's just been explained to you thanks to someone. Rather than drinking bleach perhaps u should learn it in 5 mins
0
3 years ago
#36
But we don't actually have to know it. I have never been taught it so surely I wouldn't need to know. Nor have I done any questions on it. My teacher wouldn't not teach me something that I need to know.
1
3 years ago
#37
Pretty damn sure change of base isn't something you need to know for AQA, it's in the CGP book but I think they assume your calculator is crap which is the only reason you would use change base formula. Also on one of the 2010 core 2 papers, as I said in my last post there was a question that you can easily solve using a calculator log function but instead the mark scheme says you should use log laws. Maybe the specification changed or something? The current aqa spec says 'for exams from 2014' so maybe they changed it, and maybe it had the change base thing on the old spec?
0
3 years ago
#38
1
3 years ago
#39
Thought that exam was quite nice. How did everyone else find it?
0
3 years ago
#40
(Original post by greenmath)
Thought that exam was quite nice. How did everyone else find it?
It was solid😂 Low grade boundaries for certain.
0
X

new posts

### 1,555

people online now

### 225,530

students helped last year
Latest
My Feed

### Oops, nobody has postedin the last few hours.

Why not re-start the conversation?

see more

### See more of what you like onThe Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

### University open days

• Keele University
Sun, 18 Aug '19
• Sheffield Hallam University
Clearing open day Undergraduate
Tue, 20 Aug '19
• Bournemouth University
Clearing Open Day Undergraduate
Wed, 21 Aug '19

### Poll

Join the discussion

#### Are you going to self-release into Clearing?

Yes I've pressed the button (75)
17.28%
No I'm happy with my uni offer (280)
64.52%
Not yet but I am planning to (21)
4.84%
Not yet but I might (58)
13.36%