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Mathematics 17 Online
OpenStudy (anonymous):

Please help i have a new file attached

OpenStudy (anonymous):

the

OpenStudy (mertsj):

Which part?

OpenStudy (anonymous):

do you want to have answer for all of them? I know just one: the coordinate of A and B, If you want to know, I will give you mine, If you don't want, I am ok :)

OpenStudy (anonymous):

which part u can help with

OpenStudy (anonymous):

the first two is Co Ordinate Gemmetry and the other two matrices

OpenStudy (anonymous):

@Mertsj help him, please. I am hang off

OpenStudy (mertsj):

I repeat my original question. Which part do you want help with?

OpenStudy (anonymous):

if possible all

OpenStudy (anonymous):

or guide me through them

OpenStudy (mertsj):

Do you know how to graph ordered pairs?

OpenStudy (anonymous):

never heard about it

OpenStudy (mertsj):

Could you graph this point? (3,2)

OpenStudy (anonymous):

i think so

OpenStudy (anonymous):

|dw:1366561301321:dw|

OpenStudy (anonymous):

is it like this

OpenStudy (mertsj):

Yes. So you need to find points A and B

OpenStudy (anonymous):

is it -2, 3

OpenStudy (anonymous):

sorry

OpenStudy (mertsj):

Could I ask you why you have to do these problems?

OpenStudy (anonymous):

is it -2, 6 3, 4

OpenStudy (anonymous):

not sure

OpenStudy (mertsj):

The points are (4,6) and (-2,3) They must also be written in the proper form.

OpenStudy (anonymous):

ok i'll try the other parts of the question and u will tell me if the answers are correct in a while

OpenStudy (mertsj):

ok

OpenStudy (anonymous):

not sure about the equation of the line, but is the gradient 7/4

OpenStudy (anonymous):

is the gradient correct

OpenStudy (anonymous):

gradient is 1/8

OpenStudy (mertsj):

Use the coordinates of the points A and B to find the gradient. The formula is: \[\frac{y _{2}-y _{1}}{x _{2}-x _{1}}\]

OpenStudy (anonymous):

yes i did

OpenStudy (anonymous):

and that the answer i got -2 - 6 = 8 for x2-x1

OpenStudy (mertsj):

|dw:1366564219681:dw|

OpenStudy (anonymous):

please don't get weary with me, but -2 and 6 are not on the x axis

OpenStudy (mertsj):

I thought you were trying to find the slope of the line.

OpenStudy (anonymous):

sorry i label it wrong i just went it over and saw my mistake, that is why confirmation is good. Thank you much.

OpenStudy (anonymous):

please help twith the equation

OpenStudy (mertsj):

Now that you know a point on the line and you know the slope, use point-slope form.

OpenStudy (anonymous):

sorry was out but what is point slope form

OpenStudy (mertsj):

\[y-y _{1}=m(x-x _{1})\]

OpenStudy (anonymous):

am not getting it

OpenStudy (anonymous):

am getting all kind of figures

OpenStudy (mertsj):

What point did you choose?

OpenStudy (anonymous):

i use x1-x2, y1-y2 all over 2 i got 1, 3/2 and cannot go any further

OpenStudy (mertsj):

Please answer the questions I ask you. I ask a specific question for a reason. We know two points on the line. A and B. Pick one of them and tell me which one you have chosen.

OpenStudy (anonymous):

b

OpenStudy (mertsj):

B is the point (4,6)

OpenStudy (mertsj):

What is the slope of the line?

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