Math Problem Statement
Graph the line y = (1/3)x - 6.
Solution
The equation of the line is given as:
This is in slope-intercept form, , where:
- is the slope of the line, meaning for every 3 units moved horizontally, the line goes up by 1 unit.
- is the y-intercept, meaning the line crosses the y-axis at .
Steps to graph:
- Start at the y-intercept: The point .
- Use the slope: The slope is . From the point :
- Move 3 units to the right (positive x-direction).
- Move 1 unit up (positive y-direction). This gives the second point .
- Plot both points: and .
- Draw the line: Connect the two points with a straight line.
Now that I've explained the process, would you like me to show the plotted line or do you have any questions?
Here are 5 related questions to deepen understanding:
- What does a slope of 0 mean for a line?
- How does changing the slope to a larger positive number affect the line?
- What happens to the line if the y-intercept becomes positive?
- How would you graph the line if the slope was negative, say ?
- Can you convert this equation into a standard form?
Tip: Remember that the slope determines the steepness and direction of the line!
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Graphing
Formulas
Slope-intercept form: y = mx + b
Theorems
Slope-Intercept Theorem
Suitable Grade Level
Grades 7-9