Math Problem Statement
Graph the line with the equation y = -4/3x + 1.
Solution
To graph the line with the equation , let's break down the steps:
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Identify the Slope and Y-Intercept:
- The equation is in slope-intercept form , where is the slope, and is the y-intercept.
- Here, and .
- This means the line has a slope of and crosses the y-axis at .
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Plot the Y-Intercept:
- Start by plotting the point on the y-axis.
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Use the Slope to Find Another Point:
- The slope tells us that for every 3 units we move to the right (positive -direction), we move 4 units down (negative -direction).
- From , move 3 units right to and 4 units down to . This gives the point .
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Plot the Second Point and Draw the Line:
- Plot the point .
- Draw a straight line through these two points, extending it in both directions.
This graph represents the line for the equation .
Would you like a detailed explanation of any of these steps?
Here are some related questions to expand on this:
- How would the graph change if the slope were positive?
- What happens to the graph if the y-intercept changes?
- How can we graph a line given a point and a slope?
- How do we find the x-intercept of a line given its equation?
- How does changing the slope affect the steepness of the line?
Tip: The slope determines the direction and steepness of a line. A negative slope means the line descends from left to right.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Graphing
Formulas
Slope-intercept form y = mx + b
Theorems
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Suitable Grade Level
Grades 8-10