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Mathematics 13 Online
OpenStudy (narissa):

help

OpenStudy (narissa):

OpenStudy (narissa):

@jhonyy9

jhonyy9 (jhonyy9):

how you think ?

jhonyy9 (jhonyy9):

it ?

jhonyy9 (jhonyy9):

this is a standard form of y=mx+c do oyu know it sure - yes ?

jhonyy9 (jhonyy9):

you wan being there - sorry

jhonyy9 (jhonyy9):

1. 1=m*1 +c 2. -2 = m*2 +c 3. -5 = m*3 +c 4. -8 = m*4 +c so from these you need to get m = ? and c= ?

jhonyy9 (jhonyy9):

can you solve it ?

OpenStudy (narissa):

im here

jhonyy9 (jhonyy9):

1 = m+c - multiplie by -1 -2 = 2m +c -1=-m-c -2=-2m+c ------------ -3 = -3m 0 m = ?

jhonyy9 (jhonyy9):

m = -3/(-3) = ?

jhonyy9 (jhonyy9):

narissa please cooperate

OpenStudy (narissa):

-9

jhonyy9 (jhonyy9):

not multiplie them - so divide like 3/3 = ?

OpenStudy (narissa):

1

jhonyy9 (jhonyy9):

yes - so than m=1 how many will be c ?

OpenStudy (narissa):

3

OpenStudy (narissa):

4

jhonyy9 (jhonyy9):

1=m*1 +c 2. -2 = m*2 +c 3. -5 = m*3 +c 4. -8 = m*4 +c how you have got it please ?

OpenStudy (narissa):

1*4

jhonyy9 (jhonyy9):

substitute the m=1 in place of m inside second equation -2 = 2*1 +c c = ?

OpenStudy (narissa):

2

jhonyy9 (jhonyy9):

no

jhonyy9 (jhonyy9):

c= -4

OpenStudy (narissa):

soo 1,-4

jhonyy9 (jhonyy9):

y= x-4 prove them - try than will get these results like in table

jhonyy9 (jhonyy9):

so i think not will get - do you see it ?

OpenStudy (narissa):

1,4

OpenStudy (narissa):

wrong????

jhonyy9 (jhonyy9):

1=m*1 +c 2. -2 = m*2 +c 3. -5 = m*3 +c 4. -8 = m*4 +c m+c=1 2m+c=-2 3m+c=-5 4m+c=-8 so the right answer m= -3 and c=4

OpenStudy (narissa):

thanks soooo much

jhonyy9 (jhonyy9):

was my pleasure 1 = m+c - multiplie by -1 -2 = 2m +c -1=-m-c -2=-2m+c here i have changed rigth is +2m not minus how i have wrote there - this is ------------ why i have got wrong result -3 = -3m 0 m = ? here above was my mistaque sorry

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