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Mathematics 11 Online
OpenStudy (anonymous):

12) The lines of two equations are graphed below. Name the ordered pair that is the solution of the two equations.

OpenStudy (anonymous):

OpenStudy (anonymous):

i think the answer is (5,-4)

OpenStudy (anonymous):

@freckles

OpenStudy (anonymous):

@freckles

OpenStudy (freckles):

you are ...

OpenStudy (freckles):

absolutely correct! :)

OpenStudy (anonymous):

yay! now im confused on this next one im only going to put the graph up cuz its the same question just dif graph but i dont think it has one..

OpenStudy (anonymous):

OpenStudy (anonymous):

@freckles

OpenStudy (freckles):

hint: those are parallel lines you said earlier parallel lines do not intersect

OpenStudy (anonymous):

so i should just put The system of equations has one solution

OpenStudy (freckles):

no they never cross

OpenStudy (freckles):

it is impossible for them to have any solution

OpenStudy (anonymous):

i ment The system of equations has no solution.

OpenStudy (freckles):

right you would say no solution

OpenStudy (anonymous):

okay so how would i find the ordered pair with equations? example

OpenStudy (anonymous):

@freckles

OpenStudy (freckles):

you could solve 1/2*x+1=-2x+6 for x

OpenStudy (freckles):

let me know what you get after doing that

OpenStudy (freckles):

and then we will find y

OpenStudy (anonymous):

okay x =2 so now i substitute x for 2?

OpenStudy (freckles):

yep

OpenStudy (anonymous):

so the answer would still be 2 so to put it in ordered pair would i put (2,2)

OpenStudy (freckles):

:) that is exactly what I got

OpenStudy (anonymous):

:) yay!! now this one is different x+y=-5 x+y=6

OpenStudy (freckles):

well you could subtract one equation from the other eliminating (x+y)-(x+y)=-5-6 is this a true equation that results?

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