Math Problem Statement
find k so that the line through (2,-1) and (k,4) is parallel to 3x+2y=4 and perpendicular to 4x-3y=-1 and what is k
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Coordinate Geometry
Slopes of Lines
Parallel and Perpendicular Lines
Formulas
Slope of a line: m = -A/B (for Ax + By = C)
Slope between two points: m = (y2 - y1) / (x2 - x1)
Cross-multiplication
Theorems
Slope Theorem: Two lines are parallel if they have the same slope.
Slope Theorem: Two lines are perpendicular if the product of their slopes is -1.
Suitable Grade Level
Grades 9-12
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