graph
-5x-3y=-7

- anonymous

graph
-5x-3y=-7

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- katieb

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- amistre64

get 2 points and draw aline

- anonymous

extract y from the equation and then find the slope, by comparing the equation with y=mx+c where m is the slope

- amistre64

when x = 0 ; y = 7/3
wne y = 0 ; x = 7/5

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## More answers

- anonymous

Now in the equation put x=0 and find what y is and then do the same for y that is put y = 0 and find what x is

- amistre64

dont need slope with this equation; you could do it, but its extra work

- anonymous

I understand that but if a student asks this question, and if I tell him or her to find the slope, he or she will think on it, and eventually gain a better picture.

- anonymous

Now since you have said that, he will no longer think on it ;)

- amistre64

what? no fear there....noone ever listens to me :)

- anonymous

I used mathematica and the plot I got is the following

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- amistre64

mathematica to draw a line? in my day we had to walk 10 miles to the nearest store and by a ruler...

- amistre64

i remember back before they invented addition; we used to just lay sticks and stones together....

- anonymous

I remember----even back before that nothing actually existed, and all of on a sudden everything came to existence (I consider this a bad luck)

- anonymous

haha I know. But the only way I learn thins is plotting things and this guy can confirm his/her graph

- anonymous

We perhaps are the reason for the creation, and we tried to create light and unintentionally created darkness, we tried to create matter and created antimatter, we tried to create happiness and created sadness. We only wanted the good things from the creation, but the damned creation told us to create good you need to create bad or evil so as to actually contrast the goodness.
I wish it ends now.

- anonymous

It was a great mistake

- anonymous

thanks emunrradtvamg

- anonymous

We never felt that we can't draw a white line on a white sheet. We only wanted to draw white lines, but had to create a black sheet for the same
If the creator would have realized a bit of this before creation; no creation would have ever occured

- anonymous

I didn mean you to feel bad. When I help my friend I used to use graphs. This makes everything clear. And perhaps for us drawing a lines is easy, however for somebody else it can be a big issue. So draws can be helpful to some extent.

- amistre64

makes me want to learn to read ;)

- amistre64

In the beginning the Universe was created. This has made a lot of people very angry and has been widely regarded as a bad move. hhgg

- anonymous

is this right lol
-3y=5x-7
(0,3),(8,5)

- anonymous

(7.5)

- amistre64

you already have an equation fora line stated, no need to re form it

- amistre64

-5x -3y = -7 is an equation for a line....

- amistre64

when x=0 (0,7/3)
when y=0 (7/5, 0)

- amistre64

7/3 = 2' 1/3
7/5 = 1' 2/5

- anonymous

can u help me

- anonymous

Ok lets start again.

- anonymous

i have new equation
2y=5x+11

- anonymous

how do i solve step by step

- amistre64

to find it easily; move the 5x over..
-5x +2y = 11

- amistre64

make x=0 and solve for y
0 + 2y = 11; y = 11/2

- anonymous

How to draw a line. The first thing you have to do is:
1) find the x-intercexion and the y-intersexion.
X-interseccion (y=0)
-5x+2(0)=11 so x=11/-5

- amistre64

make y = 0
-5x +0 = 11 ; solve for x
x = -11/5

- anonymous

does it make sense?

- anonymous

sort of

- anonymous

in order to find Y-Interseccion (x=0), we do the following:
-5(0)+2y=11 so y=11/2

- amistre64

thats the easiest way; another way is to get y alone
2y = 5x+11
y = 5x/2 + 11/2
now any number you use for x will make a y and plot the points

- anonymous

11/-5+2y

- anonymous

what you mean by that?

- anonymous

never mind lol

- anonymous

sorry im slow today

- anonymous

No problem my friend, we are here to help you. So the final thing (step 2) is to plot the two point we just got. They are:
Point1=(-11/5;0)
Point2=(0,11/2 )
Plot this two numbers and join them with a line and this is the draw you want.
Any question, please ask

- anonymous

its asking for 3 points

- anonymous

a line can be plotted by using just two point.

- anonymous

on this test if i just put two its saying incorrect

- anonymous

grid just goes up to 8

- anonymous

send a picture of the question

- amistre64

a table of plots can be made using many points :)

- anonymous

hold up k

- anonymous

ok

- anonymous

i hope it shows

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- anonymous

its not showing

- anonymous

hey i took it with my camera why wont it show?

- anonymous

dont know. First save it to your desktop and then attach if from there

- anonymous

i did

##### 1 Attachment

- anonymous

idk

- anonymous

cannot see it

- anonymous

Can you open from you desktop?

- anonymous

yea just when i post it here wont open

- anonymous

open it with paint. Then save it as jpg. Then attach it

- anonymous

k

- anonymous

save it as .bmp. The picture i attached is bmp

- anonymous

here we go again lol

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- anonymous

finally lol

- anonymous

letme check it out

- anonymous

k

- anonymous

ahhh ok I now know what you want.
You have to list different values for x and y
isolating y
y=(5x+11)/2
now you have to choose values for x, replace them in the last formula and find y.
for example.
X Y
-------
0 -> 5.5
1 -> 8
2 -> 10.5
the points are:
p1=(0;5.5)
p2=(1;8)
p3=(2;10.5)
insert this three point in your graph and you must hopefuly be done :)

- anonymous

whats the third one down 10 over 2

- anonymous

5 i mean

- anonymous

it means 10.5

- anonymous

you have to move 2 units in the x-direction and 10.5 in y-direction

- anonymous

n the first one is just 0,5

- anonymous

for point 1 you have to move 0 units in the x-direction (no movements) and 5.5 units in the y-direction

- anonymous

Ok I have to go. Hope you are already done with you test

- anonymous

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- anonymous

thanks for ur help
but it was wrong

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