Questions: Solve the system of linear inequalities graphically by matching the solution region with one of the four regions shown in the multiple choice. -3x + y ≥ 6 x ≤ 3

Solve the system of linear inequalities graphically by matching the solution region with one of the four regions shown in the multiple choice.

-3x + y ≥ 6
x ≤ 3
Transcript text: Solve the system of linear inequalities graphically by matching the solution region with one of the four regions shown in the multiple choice. \[ \begin{aligned} -3 x+y & \geq 6 \\ x & \leq 3 \end{aligned} \]
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Solution

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Solution Steps

Step 1: Rewrite the first inequality in slope-intercept form

The inequality $-3x + y \ge 6$ can be rewritten as $y \ge 3x + 6$.

Step 2: Graph the lines $y=3x+6$ and $x=3$

The line $y=3x+6$ has a y-intercept of 6 and a slope of 3. The line $x=3$ is a vertical line passing through x=3.

Step 3: Determine the shaded region

For $y \ge 3x+6$, the shaded region is above the line $y=3x+6$. For $x \le 3$, the shaded region is to the left of the line $x=3$. The solution region is the intersection of these two shaded regions.

Final Answer: The correct answer is B.

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