determine whether or not each of the following is a solution of the inequality
[tex]y \leqslant 2 {x}^{2} + x - 3 [/tex].
[tex]1).(-1, -4) \\ 2).(-1, 4) \\ 3).(2,5) \\ 4).(-4, 1) \\ 5).(-2, 5) \\ 6)(2, - 4) \\ 7).(1,- 1) \\ 8).(3, -3) \\ 9).(1, -2) \\ 10).(0,5)[/tex]
[tex]y \leqslant 2 {x}^{2} + x - 3 [/tex].
[tex]1).(-1, -4) \\ 2).(-1, 4) \\ 3).(2,5) \\ 4).(-4, 1) \\ 5).(-2, 5) \\ 6)(2, - 4) \\ 7).(1,- 1) \\ 8).(3, -3) \\ 9).(1, -2) \\ 10).(0,5)[/tex]
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To know if the coordinates are the solution, substitute the values of x and y by the given coordinates (the first number is x while the second is y).
So, the solutions of the given inequality are:
( -1, -4 )
( 2, 5 )
( -4, 1 )
( 2, -4 )
( 1, -1 )
( 3, -3 )
( 1, -2 )
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