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Sagot :
To determine whether the point [tex]\((-4, -6)\)[/tex] satisfies the system of inequalities
[tex]\[ \left\{\begin{array}{l} y \leq 3x + 2 \\ y > x - 1 \end{array}\right. \][/tex]
we need to check if this point satisfies both inequalities.
1. First inequality: [tex]\( y \leq 3x + 2 \)[/tex]
Substitute [tex]\(x = -4\)[/tex] and [tex]\(y = -6\)[/tex]:
[tex]\[ -6 \leq 3(-4) + 2 \][/tex]
Simplify the right-hand side:
[tex]\[ -6 \leq -12 + 2 \][/tex]
[tex]\[ -6 \leq -10 \][/tex]
This is false since [tex]\(-6\)[/tex] is not less than or equal to [tex]\(-10\)[/tex].
2. Second inequality: [tex]\( y > x - 1 \)[/tex]
Substitute [tex]\(x = -4\)[/tex] and [tex]\(y = -6\)[/tex]:
[tex]\[ -6 > -4 - 1 \][/tex]
Simplify the right-hand side:
[tex]\[ -6 > -5 \][/tex]
This is false since [tex]\(-6\)[/tex] is not greater than [tex]\(-5\)[/tex].
Since the point [tex]\((-4, -6)\)[/tex] does not satisfy either of the inequalities, it does not satisfy the system of inequalities.
Therefore, the answer is [tex]\(\boxed{False}\)[/tex].
[tex]\[ \left\{\begin{array}{l} y \leq 3x + 2 \\ y > x - 1 \end{array}\right. \][/tex]
we need to check if this point satisfies both inequalities.
1. First inequality: [tex]\( y \leq 3x + 2 \)[/tex]
Substitute [tex]\(x = -4\)[/tex] and [tex]\(y = -6\)[/tex]:
[tex]\[ -6 \leq 3(-4) + 2 \][/tex]
Simplify the right-hand side:
[tex]\[ -6 \leq -12 + 2 \][/tex]
[tex]\[ -6 \leq -10 \][/tex]
This is false since [tex]\(-6\)[/tex] is not less than or equal to [tex]\(-10\)[/tex].
2. Second inequality: [tex]\( y > x - 1 \)[/tex]
Substitute [tex]\(x = -4\)[/tex] and [tex]\(y = -6\)[/tex]:
[tex]\[ -6 > -4 - 1 \][/tex]
Simplify the right-hand side:
[tex]\[ -6 > -5 \][/tex]
This is false since [tex]\(-6\)[/tex] is not greater than [tex]\(-5\)[/tex].
Since the point [tex]\((-4, -6)\)[/tex] does not satisfy either of the inequalities, it does not satisfy the system of inequalities.
Therefore, the answer is [tex]\(\boxed{False}\)[/tex].
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