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Thanks so much!!

Need help with this polynomials question. Ive attached a photo to this post (dont really know how to attach it properly but i think this works). If you could explain your thought process and your steps it would be greatly appreciated.

-So it is given that QR ⟂ PR, hence mQRmPR=-1. -After you find the gradients and simplify you should eventually get the condition pq + p + q = -5. -Rearrange for p, and you get p=(-5-q)/(q+1) -From the above it should be clear that q cannot equal -1 as the denominator of a fraction cannot...

i may be totally off but is the answer p and q cant equal zero

So i want to start self studying maths. What topics should i study first? Can you guys please give me a list from what i should start with and finish with?

In a sound wave, what is the relationship between the displacement of air molecules and pressure? I know its like compressions and rarefactions but what's their relationship to displacement

Is Dr Du's B class good. For me its either Dr du B class or Ngo and sons. idk which one to choose. How is Dr Du's b class? Is it any good?

Is Dr Du's B class good?

Nup no coordinates.

Find the locus of a point P that moves so that: PA2 − PB2 = 5 ANSWER IN TEXTBOOK is 8x + 8y - 3 = 0

how should i conclude my presentation

I'm doing a presentation/speech on comparing Australia's economy to Singapore's. I don't know how to start the speech. Any help would be much appreciated. :smile: The topics we have to cover in the presentation are these btw: - The economic growth and quality of life - Employment and...

I think you should drop SOR I. Try put more effort in 3U, that will be much more rewarding in my opinion.

Can you guys please give me some good ideas for a plot twist in a short story im writing. I'm only allowed 800 words btw.

Hey guys! So, have an assignment that's due in week 9 (currently week 3), and in that assignment we are literally allowed to do anything but it has to be a creative piece. I have chosen to do a short story which has a limit of 800 words. If any of you can suggest a good story line that would...

Ohhh I see...Thank you.:)

What do you mean by inspection? I know the answer to the question lmao. I just don't know how to get it.

x2+6x-y2-8y-7

I'm not sure what tutoring place I should go for ext 1 maths? Im thinking of going Dr Du. Any help would be much appreciated :)

Economics or Biology, which one should i choose?