portielesc
31.03.2021 •
Mathematics
Three vertices of parallelogram MNOP are M-6, 2), NC1, -1). P(2,7). Which coordinate is not a possible location of the fourth vertex.
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Ответ:
x= -8
y=7
Step-by-step explanation:
make it so the x's cancel out
to do this multiply the bottom equation by 2
2x+3y=5
2x+4y=12
subtract to cancel out the x
-y=-7
y=7
now substitute y into one of the equations(I'm going to do x+2y=6)
x+2(7)=6
x+14=6
x=-8