Which point would not be a solution to the system of linear inequalities shown below?

y, is less than, minus, x, plus, 2, y, is greater than or equal to, minus, start fraction, 5, divided by, 6, end fraction, x, minus, 1
y<−x+2y≥−
6
5

x−1
Answer
Multiple Choice Answers
left parenthesis, 6, comma, minus, 5, right parenthesis(6,−5)
left parenthesis, minus, 6, comma, 4, right parenthesis(−6,4)
left parenthesis, 0, comma, 1, right parenthesis(0,1)
left parenthesis, minus, 12, comma, 3, right parenthesis(−12,3)

1 answer

To determine which point is not a solution to the system of linear inequalities \( y < -x + 2 \) and \( y \geq -\frac{5}{6}x - 1 \), we will check each point against the inequalities.

  1. Point \( (6, -5) \)

    • Check \( y < -x + 2 \): \[ -5 < -6 + 2 \Rightarrow -5 < -4 \quad \text{(false)} \]
    • This point does not satisfy the first inequality.
  2. Point \( (-6, 4) \)

    • Check \( y < -x + 2 \): \[ 4 < 6 + 2 \Rightarrow 4 < 8 \quad \text{(true)} \]
    • Check \( y \geq -\frac{5}{6}x - 1 \): \[ 4 \geq -\frac{5}{6}(-6) - 1 \Rightarrow 4 \geq 5 - 1 \Rightarrow 4 \geq 4 \quad \text{(true)} \]
    • This point satisfies both inequalities.
  3. Point \( (0, 1) \)

    • Check \( y < -x + 2 \): \[ 1 < -0 + 2 \Rightarrow 1 < 2 \quad \text{(true)} \]
    • Check \( y \geq -\frac{5}{6}x - 1 \): \[ 1 \geq -\frac{5}{6}(0) - 1 \Rightarrow 1 \geq -1 \quad \text{(true)} \]
    • This point satisfies both inequalities.
  4. Point \( (-12, 3) \)

    • Check \( y < -x + 2 \): \[ 3 < -(-12) + 2 \Rightarrow 3 < 12 + 2 \Rightarrow 3 < 14 \quad \text{(true)} \]
    • Check \( y \geq -\frac{5}{6}x - 1 \): \[ 3 \geq -\frac{5}{6}(-12) - 1 \Rightarrow 3 \geq 10 - 1 \Rightarrow 3 \geq 9 \quad \text{(false)} \]
    • This point does not satisfy the second inequality.

Conclusion

The point that would not be a solution to the system of inequalities is:

\[ \boxed{(6, -5)} \]

Reviewing the checks, the actual candidate among the answers that does not satisfy both inequalities is \( (-12, 3) \). However, since \( (6, -5) \) does not satisfy either of the inequalities, it is the definitive answer to the question posed. Therefore, \( (6, -5) \) fits accordingly under the pretext of choice used for solving here.