Math Problem Statement
Graph using the slope and y-intercept. f(x) = 1 2 x − 1
Solution
We are given the linear function . To graph this, we will use the slope-intercept form of a line, which is:
Here:
- is the slope.
- is the y-intercept.
From the equation , we can identify:
- The slope , meaning the line rises by 1 unit for every 2 units it moves to the right.
- The y-intercept , meaning the line crosses the y-axis at .
Steps to graph the function:
- Plot the y-intercept: Start at the point on the y-axis.
- Use the slope : From , move up 1 unit and 2 units to the right to get the second point .
- Draw the line: Connect the points and extend the line in both directions.
Would you like me to create a graph for you, or do you have any questions?
Here are 5 follow-up questions related to the topic:
- What is the significance of the slope in a linear equation?
- How does changing the slope affect the steepness of the graph?
- What happens if the y-intercept changes but the slope remains the same?
- How can we determine the x-intercept from this equation?
- How would the graph look if the slope was negative?
Tip: Always check both the slope and y-intercept before drawing a graph to ensure accuracy.
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Slope-Intercept Form
Formulas
y = mx + b
Theorems
Slope-Intercept Theorem
Suitable Grade Level
Grades 8-10