Math Problem Statement
If the point (1,-2) is on the line x-2y+k=0 then find the value of k
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Coordinate Geometry
Formulas
Substitution in the equation of a line: x - 2y + k = 0
Theorems
Point-Slope Form of a Line
Suitable Grade Level
Grades 6-8