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In the quadratic equation, 2x^2-3x+k=0, one root is double the other. Find the value of k. Much appreciated thanks! Have exam coming up :(

Find the values of n in the equation 2x^2-5(n-1)x +12 = 0 If the two roots are consecutive. thanks whoever helps! much appreciated! :)

lol, how is it that people who do english extension were getting lower than most people in advanced? Like 11/20 .

I understand the flaws to memorising, as such like we don't know the questions that will be given to us. *i wish* Though if we really make an essay before hand, touching on all aspects of the syllabus, themes, quotes, techniques, different aspects of the set text etc. I believe it would...

Propably a little late, but maybe genres such as 'Adventure', 'Action' thus they can go on an adventure/action pact journey to discovery something in the end, such as a philosophical or scientific discovery.

Thanks :) i'm going to read all my set texts coming into year 12, though i'm still unsure about the memorising essays. The reason i believe i rote learn essays (ones that i've form in my own words before hand, according to the syllabus) is because i feel unconfident the way i express myself on...

I don't understand this, say my mark is 13/20 for an assessment, but only because the standards in English advanced is high? Though if it were the same assessment task, but in an english standard class would my mark be an equivalent of like 17/20 in standard? If that makes sense? :/ In terms of...

Thankyou everyone for their advice! i'll be taking all the factors that you guys have mentioned into consideration :)

Hi guys I would like some advice whether or not I should drop to standard. My marks this year have like fluctuated so idk, first asses got 12/20 (was speech and I'm horrible at public speaking) , 16/20 then 21/25 then 13/20 . I have done paper 1 for yearly which I thought wasn't too bad though...

Guys, how would you simplify d) 1-tan^2(25)/1+tan^2(25) ?? Answer says cos50 ? Please thankyou

where?

thankyou! For number 1, tho how do you know you're suppose to square it

Find the cartesian equation of x=cosx -1 and y=sinx +3 and also If sin=2/3 and cosy=3/4 find the exact value of a) sin(x+y) b) tan (x+y) Much appreciated if you help :)! dont understand them :(

i found out how to do it! Right, so first for i) tangent, 1. You differentiate x^2=4y, which will give you a gradient of p. 2. Use the equation formula (y-y1)=m(x-x1) and place the first points in (2p, p^2) this will give you an equation of y=px - p^2 Then do this step again, except with...

need help with the same question :(

- Find the equation of the locus of point P(x,y) that moves so that it is equidistant from the x axis and the y axis. Hi can someone please lay out the working out for this question? :) much appreciated