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Mathematics 12 Online
OpenStudy (anonymous):

Can anyone help me out here? I'll give you a fan & medal??? Choose the correct graph of the given system of equations. y - 2x = -1 x + 3y = 4

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

D) None of the above

OpenStudy (gorv):

first find the intersection point of these two lines

OpenStudy (mirandaregina):

Plug in each point from the graphs listed above into y - 2x = -1 and x + 3y = 4. After that, whichever point gives you a true statement is your answer. Hint: it is not C or D.

OpenStudy (gorv):

y - 2x = -1 .====> y=2x-1 put value of y in other x + 3y = 4 x+3*(2x-1)=4 x+6x-3=4 7x=7 x=1 y=2x-1 putting this in equation y=2*1-1=1 y=1 so they will intersect at (1,1)

OpenStudy (anonymous):

So its B?

OpenStudy (mirandaregina):

@yayanieves yep, the point is (1,1) so the answer is B

OpenStudy (anonymous):

Okay thanks :)

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