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How bad is it affecting you? Definitely take time off to collect yourself and reduce stress.

Cringe D: "If mathematics is likened to prospecting for gold, solving a good mathematical problem is akin to a “hide-and-seek” course in gold-prospecting: you are given a nugget to find, and you know what it looks like, that it is out there somewhere, that it is not too hard to reach, that...

My school did not completely finish the year 11 course for maths (polynomials, some further trig), and so I will be learning it in the holidays.

Still sounds contradictive to me haha t_t maybe my english is broken

Don't be afraid to ask for help; where are the questions? :)

I'm about half way through the first module "Production of materials" and in all honesty it is quite boring (to me), containing a lot of theory which requires memorising (properties of polymers, their uses, social impacts, etc). Is this what HSC chem is like? To give an example, the...

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If there are contradictions in your answer, they will take marks off. Not sure about random info being wrong though.

Hi! What textbooks for MX1/MX2 would you recommend? For 4U I am planning to get Patel's "Foundation on 4U Maths" and Terry Lee's "Advanced Maths" (as I've heard they're great) However I am not sure for 3U

Correct, but not confident; and I want to help bring out the self-thought process required to grow. I don't believe a teacher should teach with answers, but guidance.

Are you saying a,b,c cannot be negative in ax^2 + bx + c? Because they definitely can be; go back to the definition of the expression: a,b,c are constants where a=/= 0 So is -3 a constant? Does it fit the criteria? Yes! there is nothing wrong with letting a = 2^x Another way to see it is...

Why not? What were you thinking of when you first thought of a = 2^x? Justify your thought processes. You really have to be more independent Smile12345!! :(

Ultimately you want to get it into the quadratic form ax^2 + bx + c = 0 Would letting a = 2^x achieve that?

That is some insane hours meno...

Ah, good tip. Thanks :)

My question is: How would/did you even know x = 20 in the first place to form your approach? (without people telling you)

LOL, there has to be a faster method...

Bump! Curious for solution to ii)

Why do you only consider the spaces between the zeroes? Can't 1 be the first/last digit?

Best leave it in exact form. Also, you've been asking a lot of similar questions - try to extract the most out of them rather than mass exercise.