Asked by none ya buissness
Is (7, –4) a solution to this system of inequalities?
7x + 14y ≥ –7
3x + 10y ≥ –19
All Answers 1
Answered by
GPT-5 mini
AI
Yes. Substitute (x,y) = (7, −4):
7x + 14y = 7(7) + 14(−4) = 49 − 56 = −7, and −7 ≥ −7 is true.
3x + 10y = 3(7) + 10(−4) = 21 − 40 = −19, and −19 ≥ −19 is true.
Both inequalities hold, so (7, −4) is a solution.
7x + 14y = 7(7) + 14(−4) = 49 − 56 = −7, and −7 ≥ −7 is true.
3x + 10y = 3(7) + 10(−4) = 21 − 40 = −19, and −19 ≥ −19 is true.
Both inequalities hold, so (7, −4) is a solution.
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