What is the positive solution for 5^2-9x=0 ?

- anonymous

What is the positive solution for 5^2-9x=0 ?

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- saifoo.khan

is it 5x^2 - 9x = 0?

- anonymous

It's 5x squared - 9x = 0

- saifoo.khan

its answer is 9/5 & 0.

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- anonymous

But there should only be one answer...the positive one. So, what is it?

- saifoo.khan

no, there will b 2 answers.

- anonymous

I got 25/9

- saifoo.khan

no, its 9/5 & 0.

- anonymous

Yeah. Your right Saifoo but then the positive one should be it....there should be a negative anser and a positive one.

- anonymous

*answer

- saifoo.khan

no, its not imp.

- anonymous

???

- saifoo.khan

there will the just theses two answers.

- saifoo.khan

these*

- anonymous

Is it 5^2 or 5x^2 in the origianl problem?

- anonymous

okay...lol. here's whats up.

- saifoo.khan

it is 5x^2

- saifoo.khan

i think u typed the wrong ques

- anonymous

i have a project due tommorrow for math I and i need someone to help tutor me on positive solutions of equations....can any of you two help me?
please???

- saifoo.khan

i think u typed the wrong ques

- anonymous

well i dont even think that was a possible equation that even existed...lol. i think ur right

- anonymous

saifoo is right if it is 5x^2 the answer would be 9/5 and 0

- saifoo.khan

hmm. :)

- anonymous

hmmmm *twicee. :-))

- anonymous

interesting. well can any of you two give me an equation and explain to me how you get the positive solution of it?

- anonymous

factor out an x
x(5x-9)=0

- anonymous

Yeah!!!! A problem like that is what I have on my paper. Now...how do I get the positive solution of this?

- anonymous

then set x=0 and 5x-9=0

- anonymous

Yeah. Then what?

- anonymous

will we know that x=0 is one answer. then let's solve 5x-9=0. once we solve that we get 5x=9 then divide 5 by both sides we get 9/5

- anonymous

dose that make sence?

- anonymous

hold on...

- anonymous

can we do another problem if you don't mind?

- anonymous

sure

- anonymous

i did this one but i want to make sure it's right:
4x^2 - 36 = 0

- anonymous

i got: the positive solution is 3.

- anonymous

am i right?

- anonymous

that is what I got... for 4x^2-36=0

- anonymous

so im right?

- anonymous

sorry that is what I got

- anonymous

No, it's 9/5. You factor out an x, and you use the zero product rule, setting x = 0 and (5x-9)=0, since, algebraically, you can do that. So, solving for x, you get x = 0 and x = 9/5

- anonymous

LOL. but i was talking about a different equation.....4x squared - 36 = 0

- anonymous

mknight94 we arewwe are doing a different problem

- anonymous

*not the 1st one

- anonymous

smartchickk59 you are right. are you sure that it is not 4x^2-36x=0?

- anonymous

not with the x after the 36

- anonymous

no its: 4x^2-36=0

- anonymous

3 is the answer

- anonymous

Did you need any more help?

- anonymous

Oh no thank you...not for now. But thank you so muchh for your help and your patince....!!! :) Thanks.

- anonymous

*patience

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