Math Problem Statement
In 2006, the percentage of 18- to 29-year-olds who used social networking sites was 49%. In 2013, that percentage had risen to 89%. Use the year as the x-coordinate and the percentage as the y-coordinate. Find the equation of the line that contains the data points.
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Slope-Intercept Form
Formulas
Slope formula: m = (y2 - y1) / (x2 - x1)
Slope-intercept form: y = mx + b
Theorems
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Suitable Grade Level
Grades 9-12
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