Mathematics, 17.05.2021 18:20 carcamophillip
5x + y = 13 ax-y=-7
In the system of equations above, a is a positive constant. If the graphs of the equations are perpendicular lines in the xy-plane, what is the value of a?
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Answers: 3
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5x + y = 13 ax-y=-7
In the system of equations above, a is a positive constant. If the graphs of th...
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