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Mathematics 8 Online
OpenStudy (freemap):

Please Help Me

OpenStudy (freemap):

OpenStudy (freemap):

Question #2

OpenStudy (michele_laino):

it is the equation of a straight line

OpenStudy (michele_laino):

for example, if I replace m=0, what is h?

OpenStudy (freemap):

100

OpenStudy (michele_laino):

that's right! So such line passes at point \((0,100)\)

OpenStudy (michele_laino):

now, if I replace \(h=0\), what is \(m\)?

OpenStudy (freemap):

100?

OpenStudy (michele_laino):

hint: we have to solve this equation: \(0=20m+100\) \(m=...?\)

OpenStudy (freemap):

2

OpenStudy (michele_laino):

If I subtract 100, from both sides, I get: \(0-100=20m+100-100\) please simplify

OpenStudy (freemap):

Thats what i did i thought, 0-100=-100/200=-2. I forget the neg. sign on 100

OpenStudy (freemap):

-2

OpenStudy (michele_laino):

I get this: \(-100=20m\) am I right?

OpenStudy (freemap):

-5 gosh I was thinking 20 was 200 sorry

OpenStudy (michele_laino):

ok! :) so our line also passes at point \((-5,0)\)

OpenStudy (michele_laino):

therefore, here is the corresponding graph: |dw:1450024752650:dw| please add the coordinates to my graph

OpenStudy (michele_laino):

hint: |dw:1450024881070:dw|

OpenStudy (freemap):

|dw:1450024915395:dw|

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