Math Problem Statement
Solution
Let’s analyze the graph and determine the slope-intercept form of the equation for the line. Here's how we solve this step by step:
Step 1: Recall the slope-intercept form
The slope-intercept form of a line is: Where:
- is the slope of the line.
- is the y-intercept (where the line crosses the y-axis).
Step 2: Determine the slope
The slope is calculated using two points on the line:
From the graph:
- Point 1:
- Point 2:
Using these points:
So, the slope is .
Step 3: Find the y-intercept
The y-intercept () is the point where the line crosses the y-axis. From the graph, this occurs at . Thus, .
Step 4: Write the equation
Now that we know and , the equation of the line is:
Final Answer:
The equation of the line in slope-intercept form is:
Would you like further details or assistance? Here are some related questions:
- How do we verify the slope using different points on the line?
- What is the significance of slope in real-world contexts?
- Can you explain how to convert this equation to standard form?
- How do we graph a line starting from the slope-intercept form equation?
- What is the impact of changing the slope or intercept values?
Tip: Always choose clear points on the graph (where the line crosses grid intersections) to calculate the slope accurately.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Graphing
Formulas
y = mx + b (slope-intercept form)
m = (y2 - y1) / (x2 - x1) (slope formula)
Theorems
Linear equation representation on a Cartesian plane
Suitable Grade Level
Grades 7-10