Math Problem Statement
Solution
The graph shows a linear function passing through the points and . I will calculate the equation of the line based on these points.
Step 1: Find the slope () of the line
The slope formula is: Substitute the given points and :
The slope of the line is:
Step 2: Use the point-slope form to find the equation
The point-slope form of a linear equation is: Using the point and the slope , substitute into the equation: Simplify:
Final Equation
The equation of the line is:
Would you like further details about the process or additional explanations?
Here are 5 related questions:
- What is the y-intercept of this line and how is it interpreted?
- How would the graph change if the slope was positive instead of negative?
- Can you determine the x-intercept of the line from its equation?
- How do we rewrite this equation in standard form ()?
- What happens to the equation if the line passes through the origin?
Tip: The slope tells you how much changes for every unit increase in . Understanding this helps interpret linear relationships in data.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Graphing
Formulas
Slope formula: m = (y2 - y1) / (x2 - x1)
Point-slope form: y - y1 = m(x - x1)
Theorems
Linear Equation
Suitable Grade Level
Grades 8-10