Math Problem Statement
Graph the equation y = 1/3 x - 4
Solution
The equation provided in the image is:
This is a linear equation in slope-intercept form, , where is the slope and is the y-intercept. Let's break down the components:
- Slope (m): . This means for every 3 units you move horizontally to the right, the line will rise by 1 unit.
- Y-intercept (b): . This indicates that the line crosses the y-axis at the point (0, -4).
To graph this equation:
- Start by plotting the y-intercept at (0, -4).
- Use the slope to find the next point. From (0, -4), move 3 units to the right (along the x-axis) and 1 unit up (along the y-axis), landing at (3, -3).
- Plot that point, and then draw a line through the two points.
Would you like to see more detailed steps for graphing or any clarifications?
Here are five questions related to this topic for further practice:
- How would you graph a line with a slope of and a y-intercept of 2?
- What happens to the graph of a line if the slope is zero?
- How would you identify the slope and y-intercept from the equation ?
- How do you determine if two lines are parallel by looking at their equations?
- What changes occur in the graph if the equation becomes instead?
Tip: Always plot at least two points when graphing a line, and use the slope to find additional points to ensure accuracy!
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Graphing
Slope-Intercept Form
Formulas
Slope-intercept form: y = mx + b
Theorems
Slope and y-intercept determine the graph of a line
Suitable Grade Level
Grades 8-10