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Mathematics 12 Online
OpenStudy (anonymous):

Help me please

OpenStudy (anonymous):

OpenStudy (anonymous):

@Hero can u help?

hero (hero):

For these, I usually choose two convenient points on the line then find the slope and the equation of the line. Start with these two points: (0,40) and (10,20)

OpenStudy (anonymous):

OK so what do i do with thoes? theres a formula i have to use right?

hero (hero):

y = mx + b

hero (hero):

Find m and b

OpenStudy (anonymous):

How do i find m an b

hero (hero):

Plug in the points

OpenStudy (anonymous):

IM sorry im really confused

hero (hero):

20 = 10m + b 40 = b

hero (hero):

20 = 10m + 40

OpenStudy (anonymous):

OK now what do i now with this

hero (hero):

Hang on

OpenStudy (anonymous):

im really sorry

hero (hero):

Well, we know b = 40, so its between choices B and D

hero (hero):

Now I have to find whatever mistake I am making that causes m to equal -2 rather than -1/2

OpenStudy (anonymous):

ok so how would we figure out the next part

OpenStudy (anonymous):

ok what would my equation be

OpenStudy (anonymous):

thats what i get to

hero (hero):

Where did that come from?

OpenStudy (anonymous):

mathway but the timer went out now i have to work on a diffrent quation

OpenStudy (anonymous):

mathway.com

hero (hero):

Your original question came from mathway?

OpenStudy (anonymous):

no

hero (hero):

Well mathway isn't helping us much.

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