QUESTION IMAGE
Question
complete the table using true or false to indicate if the statement applies to each linear inequality
linear inequality | $y > 2x - 1$ (with its graph) | $y \geq 2x - 1$ (with its graph)
--- | --- | ---
coordinates along the boundary line are included in the solution. | |
coordinates along the boundary line are not included in the solution. | |
the y - intercept of the boundary line is -1. | |
$(0, -1)$ is a solution to the inequality | |
$(-1, 3)$ is a solution to the inequality | |
$(2, -2)$ is a solution to the inequality | |
Step1: Analyze \( y > 2x - 1 \)
- Boundary Inclusion (Included): The inequality is \( > \), so the boundary line \( y = 2x - 1 \) is dashed (not included). So "Coordinates along the boundary line are included" is FALSE.
- Boundary Inclusion (Not Included): Since the line is dashed, this is TRUE.
- y - intercept: For \( y = 2x - 1 \), when \( x = 0 \), \( y = - 1 \). So the y - intercept is - 1, TRUE.
- \((0,-1)\) in \( y > 2x - 1 \): Substitute \( x = 0,y=-1 \): \( - 1>2(0)-1=-1 \)? \( - 1>-1 \) is FALSE.
- \((-1,3)\) in \( y > 2x - 1 \): Substitute \( x=-1,y = 3 \): \( 3>2(-1)-1=-3 \), \( 3>-3 \) is TRUE.
- \((2,-2)\) in \( y > 2x - 1 \): Substitute \( x = 2,y=-2 \): \( - 2>2(2)-1 = 3 \)? \( - 2>3 \) is FALSE.
Step2: Analyze \( y\geq2x - 1 \)
- Boundary Inclusion (Included): The inequality is \( \geq \), so the boundary line \( y = 2x - 1 \) is solid (included). So "Coordinates along the boundary line are included" is TRUE.
- Boundary Inclusion (Not Included): Since the line is solid, this is FALSE.
- y - intercept: For \( y = 2x - 1 \), when \( x = 0 \), \( y=-1 \). So the y - intercept is - 1, TRUE.
- \((0,-1)\) in \( y\geq2x - 1 \): Substitute \( x = 0,y=-1 \): \( - 1\geq2(0)-1=-1 \), \( - 1\geq - 1 \) is TRUE.
- \((-1,3)\) in \( y\geq2x - 1 \): Substitute \( x=-1,y = 3 \): \( 3\geq2(-1)-1=-3 \), \( 3\geq - 3 \) is TRUE.
- \((2,-2)\) in \( y\geq2x - 1 \): Substitute \( x = 2,y=-2 \): \( - 2\geq2(2)-1 = 3 \)? \( - 2\geq3 \) is FALSE.
| Linear Inequality | \( y > 2x - 1 \) | \( y\geq2x - 1 \) |
|---|---|---|
| Coordinates along the boundary line are NOT included in the solution. | TRUE | FALSE |
| The y - intercept of the boundary line is - 1. | TRUE | TRUE |
| \((0,-1)\) is a solution to the inequality | FALSE | TRUE |
| \((-1,3)\) is a solution to the inequality | TRUE | TRUE |
| \((2,-2)\) is a solution to the inequality | FALSE | FALSE |
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The completed table is as shown above.