LazyQueen
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Determine whether the given point lies on the graph of the inequality.

(-1,-3); -x-6y < 19.

in this case, is the point on the graph (yes or no)

Relax

Respuesta :

Petroniusz
-x - 6y < 19. 

Point ( -1, -3)   ⇔    x = -1   ,  y = -3
instead of the variables you need to put the values ​​of x and y ( coordinates of the point )
- (-1) - 6*(-3) < 19

we calculate

1 + 18 < 19    record turns mushy

Proposal
the point does not belong to the graph



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