Math Problem Statement
Solution
The task is to determine the equation of the line displayed in the graph in terms of . Let’s analyze the graph step-by-step:
Step 1: Determine the slope ()
The slope formula is:
Using the points visible on the graph:
- The line passes through and .
Calculate the slope:
Step 2: Determine the y-intercept ()
The y-intercept is where the line crosses the -axis (). From the graph, it crosses the -axis at .
Step 3: Write the equation
The equation of the line in slope-intercept form is: Substitute and :
Final Answer:
Let me know if you want further clarifications or detailed explanations!
Expanding the concept:
- How can you verify the slope with other points on the line?
- What is the importance of identifying the y-intercept?
- Could this line be written in another form, such as standard form?
- How does the slope change for parallel and perpendicular lines?
- What happens to the equation if the graph is shifted up or down?
Tip: Always double-check your slope calculations by selecting two clear points from the graph!
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Graphing
Formulas
Slope formula: m = (change in y) / (change in x)
Slope-intercept form: y = mx + b
Theorems
Properties of linear equations
Slope-intercept theorem
Suitable Grade Level
Grades 8-10