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Mathematics 17 Online
OpenStudy (anonymous):

write an equation of each line.

OpenStudy (anonymous):

Slope=0; through (4,-2)

OpenStudy (anonymous):

@hartnn

OpenStudy (anonymous):

this one should be easier without the fraction

OpenStudy (anonymous):

y+2=0(x-4)

OpenStudy (anonymous):

then -2 on each side?

hartnn (hartnn):

yes but what is 0*(anything) = ... ?

OpenStudy (anonymous):

0

hartnn (hartnn):

correct so u have y+2=0 thats it! its already in standard form

OpenStudy (anonymous):

oh wow lol. i need to remember that the parentheses are multiplication..

OpenStudy (anonymous):

should i make a new problem for the next one? or do it here

hartnn (hartnn):

your wish :)

OpenStudy (anonymous):

next one is Slope = -1; through (-3,5)

OpenStudy (anonymous):

one sec to set it up

OpenStudy (anonymous):

y-5=-1(x+ -3)

OpenStudy (anonymous):

+ - doesn't seem right

hartnn (hartnn):

y-5=-1(x- (-3)) keep brackets to avoid confusion

hartnn (hartnn):

a-(-b) = a+b

OpenStudy (anonymous):

y-5=-1(x+3)

OpenStudy (anonymous):

+5 +5?

hartnn (hartnn):

yes or since there is no fraction here you can also distribute -1 to (x+3) first

OpenStudy (anonymous):

y-5=-1x-3

OpenStudy (anonymous):

right

hartnn (hartnn):

yes now add 5 on both sides

OpenStudy (anonymous):

y=-1x+2

hartnn (hartnn):

correct 1x = x add 'x' on both sides

OpenStudy (anonymous):

add x to 1x and 2? or y and 2

hartnn (hartnn):

y = -x +2 +x +x y+x = +2

OpenStudy (anonymous):

is that all?

hartnn (hartnn):

yep y+x =2 or x+y =2 is in the standard form ax+by=c

OpenStudy (anonymous):

awesome

OpenStudy (anonymous):

i have more lol :/

hartnn (hartnn):

go on

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