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Вопрос от Анонимного юзера 21 января 2025 05:13

Y>6-2x

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21 января 2025 05:13

The inequality you've provided is ( y > 6 - 2x ). This represents a region on a coordinate plane.

To understand this inequality better, you can follow these steps:

  1. Convert the inequality to an equation: First, consider the equation ( y = 6 - 2x ). This is the boundary line for the inequality.

  2. Find the intercepts:

    • y-intercept: Set ( x = 0 ): [ y = 6 - 2(0) = 6 \quad \text{(point is (0, 6))} ]
    • x-intercept: Set ( y = 0 ): [ 0 = 6 - 2x \implies 2x = 6 \implies x = 3 \quad \text{(point is (3, 0))} ]
  3. Graph the boundary line: Plot the points (0, 6) and (3, 0) and draw a dashed line through these points. The line is dashed because the inequality is "greater than" (not "greater than or equal to").

  4. Shade the region: Since ( y > 6 - 2x ) indicates that ( y ) should be greater than the values on the line, shade the region above the line.

  5. Test a point: To confirm which side to shade, you can test a point that is not on the line. A common choice is (0, 0): [ 0 > 6 - 2(0) \implies 0 > 6 \quad \text{(False)} ] Since the point (0, 0) does not satisfy the inequality, it is not included in the solution region. Thus, we shade above the line ( y = 6 - 2x ).

In summary, the solution to the inequality ( y > 6 - 2x ) consists of all the points that lie above the dashed line on the graph of ( y = 6 - 2x ).

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y>6-2x
The inequality you've provided is \( y > 6 - 2x \). This represents a region on a coordinate plane. To understand this inequality better, you can follow these steps: 1. **Convert the inequality to an equation**: First, consider the equation \( y = 6 - 2x \). This is the boundary line for the inequality. 2. **Find the intercepts**: - **y-intercept**: Set \( x = 0 \): \[ y = 6 - 2(0) = 6 \quad \text{(point is (0, 6))} \] - **x-intercept**: Set \( y = 0 \): \[ 0 = 6 - 2x \implies 2x = 6 \implies x = 3 \quad \text{(point is (3, 0))} \] 3. **Graph the boundary line**: Plot the points (0, 6) and (3, 0) and draw a dashed line through these points. The line is dashed because the inequality is "greater than" (not "greater than or equal to"). 4. **Shade the region**: Since \( y > 6 - 2x \) indicates that \( y \) should be greater than the values on the line, shade the region above the line. 5. **Test a point**: To confirm which side to shade, you can test a point that is not on the line. A common choice is (0, 0): \[ 0 > 6 - 2(0) \implies 0 > 6 \quad \text{(False)} \] Since the point (0, 0) does not satisfy the inequality, it is not included in the solution region. Thus, we shade above the line \( y = 6 - 2x \). In summary, the solution to the inequality \( y > 6 - 2x \) consists of all the points that lie above the dashed line on the graph of \( y = 6 - 2x \).