Math Problem Statement
Solution
To find the equation of the line in slope-intercept form, , we need to determine the slope and the y-intercept of the line.
Step 1: Find the y-intercept
From the graph, the line crosses the y-axis at . Therefore, the y-intercept .
Step 2: Find the Slope
The slope is calculated using the formula: Choose two points on the line. From the graph, it appears that the line passes through:
- Point 1:
- Point 2:
Using these points:
Step 3: Write the Equation
With and , the equation of the line is:
Final Answer
The equation in slope-intercept form is:
Would you like a deeper explanation of any part of this solution, or have any questions?
Here are five questions related to this concept:
- How do you find the slope if you have two points on a line?
- What does the y-intercept represent in a graph?
- How can you verify if a line is increasing or decreasing from its slope?
- What is the significance of the slope in the context of real-world problems?
- How do you convert slope-intercept form to standard form?
Tip: Always reduce the slope fraction to its simplest form for clarity in answers.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Slope-Intercept Form
Formulas
y = mx + b
Slope formula: m = (y2 - y1) / (x2 - x1)
Theorems
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Suitable Grade Level
Grades 7-9