Plzz help!
Choose the system of equations which matches the following graph.
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OpenStudy (kidrah69):
following..........?
OpenStudy (anonymous):
here's the graph for the Q ^ @kidrah69 @They_Call_Me_Narii
OpenStudy (anonymous):
A. x + 2y = −10
3x − y = 12
B. x − 2y = −10
3x − y = 12
C. x + 2y = −10
3x + y = 12
D. x − 2y = −10
3x + y = 12
OpenStudy (sparrow2):
it's a just use graphs
OpenStudy (anonymous):
@CallMeKiki
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OpenStudy (anonymous):
@LegendarySadist
OpenStudy (anonymous):
any guesses? @They_Call_Me_Narii
OpenStudy (anonymous):
No. . I Dont Wanna Give U The Wrong Answer
OpenStudy (anonymous):
well if you had a guess what would it be? @They_Call_Me_Narii
OpenStudy (anonymous):
@alyssa_xo can you help?
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OpenStudy (alyssa_xo):
the solution is the point where the graphs are equal
the solution (graphically) is the point where the lines intersect
find the point where (2,-6) satisfies both equations
OpenStudy (alyssa_xo):
also worth mentioning the line with a positive slope has a slope of 3
we can cancel c and d because when we get the line into y=mx+b form, our slope is -3
\(3x + y = 12
\\y=\color{red}{-3}x+12\)
OpenStudy (anonymous):
ok I think it's either A or D am I right?
OpenStudy (alyssa_xo):
mhm
OpenStudy (anonymous):
So would it be A ?
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OpenStudy (alyssa_xo):
yeah. check your work by plugging in the point of intersection (i.e. the point on both lines)