Question
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7. On the grid, clearly label the region which satisfies all three inequalities below \( \begin{array}{lll}\text { 5. } \\ x \leq 2 & y<2 x-2 & x+y+2>0\end{array} \)

Ask by Howell Ward. in Zimbabwe
Jan 25,2025

Real Tutor Solution

Tutor-Verified Answer

Answer

The region that satisfies all three inequalities is the area to the left of \( x = 2 \), below \( y = 2x - 2 \), and above \( y = -x - 2 \).

Solution

Since I cannot plot the graph directly, I will describe how to visualize the inequalities step by step. 1. **Graph the line \( x = 2 \)**: - Draw a vertical dashed line at \( x = 2 \) (dashed because the inequality is \( \leq \), which includes the line). 2. **Graph the line \( y = 2x - 2 \)**: - This line has a y-intercept of -2 and a slope of 2. - Plot the points (0, -2) and (2, 2) to draw the line. - Use a dashed line since the inequality is \( < \). - Shade the area below this line. 3. **Graph the line \( y = -x - 2 \)**: - This line has a y-intercept of -2 and a slope of -1. - Plot the points (0, -2) and (-2, 0) to draw the line. - Use a dashed line since the inequality is \( > \). - Shade the area above this line. ### Final Region The region that satisfies all three inequalities will be: - To the left of the line \( x = 2 \). - Below the line \( y = 2x - 2 \). - Above the line \( y = -x - 2 \). ### Labeling the Region You can label the intersection area where all shaded regions overlap. This area will be bounded by the lines and will be the solution to the system of inequalities. If you have graphing software or graph paper, you can follow these steps to visualize the solution accurately.

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Beyond the Answer

To tackle this problem, let's break down each inequality one by one! The first inequality, \( x \leq 2 \), means you're looking at everything to the left of the vertical line at \( x = 2 \). Next up, the inequality \( y < 2x - 2 \) suggests a slope; it's the area below the line that crosses the y-axis at -2 with a slope of 2. Lastly, the inequality \( x + y + 2 > 0 \) can be rearranged to \( y > -x - 2 \), indicating the region above the line that crosses the y-axis at -2 with a slope of -1. Now, the region that satisfies all three is where these shaded areas overlap—time to get to graphing! Pro tip: Always graph each inequality step-by-step and use different colors for clarity. A common mistake is forgetting to shade correctly based on the inequality signs; solid lines indicate 'equal to' while dashed lines mean 'not equal to'! Double-check which side of the line to shade; it can change everything!

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