Math Problem Statement
Graph the linear equation y - 4x = 1.
Solution
The equation shown above the graph is , which can be rewritten as to represent the line in slope-intercept form , where is the slope and is the y-intercept.
Steps to graph this line:
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Identify the y-intercept (b):
- In the equation , the y-intercept is , which means the line crosses the y-axis at .
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Identify the slope (m):
- The slope is , which means for every 1 unit increase in , increases by 4 units.
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Plot the points:
- Start by plotting the point on the y-axis.
- From this point, use the slope to find another point. Move 1 unit to the right (increase by 1) and move 4 units up (increase by 4). This gives the point .
- You can also move in the opposite direction: move 1 unit to the left (decrease by 1) and move 4 units down (decrease by 4). This gives the point .
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Draw the line:
- Connect these points to form a straight line.
Would you like me to generate the graph based on these points and the equation, or provide further details?
Here are 5 related questions to expand your understanding:
- What does the slope of 4 tell us about the steepness of the line?
- How would the graph change if the slope were negative?
- What would the y-intercept be if the equation were ?
- How can we determine the x-intercept from this equation?
- How does the equation relate to real-life scenarios?
Tip: In slope-intercept form, the slope controls the steepness of the line, while the y-intercept determines where the line crosses the y-axis.
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Graphing
Slope-Intercept Form
Formulas
y = mx + b
Theorems
Slope-Intercept Theorem
Suitable Grade Level
Grades 7-10