Math Problem Statement
Solution
To graph a line given the slope and y-intercept, follow these steps:
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Y-intercept: The y-intercept is , which means the line crosses the y-axis at the point (0, -4). Plot this point first on the graph.
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Slope: The slope is . A slope of means that for every 1 unit you move to the right (positive direction on the x-axis), you move 2 units down (negative direction on the y-axis).
- From the y-intercept point (0, -4), move 1 unit to the right and 2 units down to reach the point (1, -6).
- Continue this pattern if needed, plotting additional points to ensure your line is accurate.
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Draw the Line: Connect the points with a straight line extending in both directions across the graph.
Would you like more detailed steps or assistance with another part of this task? Here are some additional related questions:
- What does a positive slope represent in a graph?
- How does changing the y-intercept affect the graph?
- What happens if the slope is zero?
- How can you determine the slope from two points on a line?
- What are alternative methods to graph linear equations?
Tip: When graphing, always plot more than one point to ensure accuracy before drawing the line.
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Slope-Intercept Form
Graphing
Formulas
Slope-intercept form y = mx + b
Theorems
Linear equation graphing rules
Suitable Grade Level
Grades 8-10