Math Problem Statement
What is an equation of the line that passes through the points (-2, 4) and (3, -6)?
Solution
To find the equation of a line passing through two points, we’ll use the formula for the slope and the point-slope form of a line. Here’s the step-by-step solution:
Step 1: Find the Slope
The points given are and .
The slope is calculated as:
Step 2: Use the Point-Slope Form
Now, we use the point-slope form . Using the slope and one of the points, say :
Step 3: Simplify to Slope-Intercept Form
Expand and simplify to get the equation in form:
Conclusion
The correct equation
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Slope-Intercept Form
Formulas
Slope formula: m = (y2 - y1) / (x2 - x1)
Point-slope form: y - y1 = m(x - x1)
Slope-intercept form: y = mx + b
Theorems
Equation of a line
Suitable Grade Level
Grades 8-10