Math Problem Statement
Graph the following features: Y-intercept = -3, Slope = -3
Solution
To graph the line with the given features:
Features:
- Y-intercept = : The line crosses the -axis at the point .
- Slope = : This means that for every 1 unit you move to the right along the -axis, the -coordinate decreases by 3 units.
Steps to graph the line:
-
Plot the Y-intercept:
- Mark the point on the graph. This is where the line crosses the -axis.
-
Use the Slope:
- The slope can be written as , meaning:
- From the -intercept, move 1 unit to the right (positive direction on the -axis).
- Then move 3 units down (negative direction on the -axis).
- This gives you the next point, .
- The slope can be written as , meaning:
-
Draw the Line:
- Connect the two points and with a straight line.
- Extend the line in both directions, ensuring it follows the slope .
Would you like me to provide a sketch of this graph or further explanations? Let me know!
Related Questions:
- What is the slope-intercept form of a line, and how is it used for graphing?
- How can you find the equation of a line given two points on the line?
- What does a positive slope represent in terms of graph direction?
- How do horizontal and vertical lines differ in slope and equation?
- How can you determine the slope and -intercept from a graph?
Tip:
When graphing, always check at least two points to ensure accuracy!
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Math Problem Analysis
Mathematical Concepts
Graphing linear equations
Slope-intercept form
Coordinate plane
Formulas
Slope-intercept form: y = mx + b
Theorems
Linear equations graph as straight lines
Suitable Grade Level
Grades 7-9