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Mathematics 15 Online
OpenStudy (anonymous):

The inequality 5x - 2y + 1 > 0 is satisfied by point (-2, -1). True Or false

zepdrix (zepdrix):

\[\large\rm 5\color{royalblue}{x}-2\color{orangered}{y}+1\gt0\]And you're given the coordinate point:\[\large\rm (\color{royalblue}{x},~\color{orangered}{y})\quad=(\color{royalblue}{-2},~\color{orangered}{-1})\]

zepdrix (zepdrix):

You need to plug these values in (match up the colors), and see if the inequality holds true.

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