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Mathematics 16 Online
OpenStudy (rane):

help

OpenStudy (rane):

\[\frac{ x }{ 2 } + \frac{ y }{ 3 } - 2 = 0 \]

OpenStudy (rane):

find the y intercept and gradient

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (anonymous):

to find y-intercept put x = 0 and solve for y 0/2 + y/3 - 2 = 0 0+ y/3 - 2 = 0 y/3 = 2 y = 6 ----> y-intercept

OpenStudy (skullpatrol):

@rizwan_uet let the student ask questions please :-)

OpenStudy (anonymous):

now write x/2 + y/3 - 2 = 0 interms of x first and compare it with y = mx + b

OpenStudy (rane):

@rizwan_uet don't we have to re-arrange the equation in to \[y= mx + c \], before finding anything ?

OpenStudy (anonymous):

yes you have to rearrange it to y = mx+ b form

OpenStudy (skullpatrol):

Good question @RANE

OpenStudy (anonymous):

and the value associated with x will be the gradient

OpenStudy (rane):

is the value of m = 3?

OpenStudy (anonymous):

how you got this??

OpenStudy (rane):

\[3x + 2y - 12 = 0, -2y = 3x-12 \]

OpenStudy (anonymous):

now divide both sides by -2 to get the form y = mx+b

OpenStudy (skullpatrol):

Good job, but you're not finished...

OpenStudy (rane):

so is it \[ m = \frac{ 3 }{ -2 }\]

OpenStudy (anonymous):

exactly its -3/2

OpenStudy (rane):

thank you

OpenStudy (anonymous):

welcome

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