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I graphed it and I got two triangles. But I still don't get how you get negative area... it just doesn't make sense.... that's like me saying that there's a negative distance or a negative time.

Why from -1 to 0 gives negative area :S, like why not from 0 to 1 or something? Is it because the limit is minus, so the area is minus?

thankss :3 but i dont understand the negative area part. how can you have negative area?

woopsss i meant from -1 to 1. The thing is, for one section of the homework I kept getting it right. Now this section I'm getting them ALL wrong

I'm trying to finish off Maths hw now because my teacher is checking tomorrow, and I totally forgot about it :( Can you help me with a few questions? I keep getting the answer wrong but I double checked my answer like a millionnn times but I still keep getting it wrong! Like, even the easiest...

Oh okay.... I read it but I didn't understand anything. thanks anywayyy :3 ill ask my teacher tomorrow to explain why, maybe he will know.

no, but he did tell us to put a dx in the end because you lose marks if you don't

no... he just told us that we have to find something that if we differentiate, we get the original curve so like the 'opposite' of differentiation. But I don't get why that suddenly gives the area under the curve...

but isn't the radius 1 here, so its just pi/2?

thankss!!! <3 but I don't get why integration finds the area under the curve. Like, how come doing the 'opposite' of differentiation gives us the area? I know that differentiation gives you the gradient but how come if I do it the other way around, I suddenly get area??

So can we just use the area of a circle formula? so the area is just pi/2?

oooooohhhhhhhh i remember the teacher told us that we use integration to find the area under the curve. is this curve a circle???

We're doing integration now at school and our teacher gave us a question that I can't get. He asked us to integrate y= root (1-x^2) from -1 to 1. How do I do thisss because he only taught us how to integrate things like 3x^2 or (1+3x)^2. I asked him if the integral was like the normal one...

I did Chemistry at the beginning of Year 11 because all my friend said I should. I don't really regret it because I dropped it anyway, but stilll :p

I'm in a situation like yours. I would keep it just in case things improve next year :3

Isn't it rude to just leave in the middle of a lecture? I would feel so badd

There are so many different types of love :)

Re: MX2 Integration Marathon I don't get anything in this threadddd