Find the vector equation of the line (a) through the point (1, −5) and parallel to the x-axis; (b) through (2, 1) and (−3, 8); (c) through the point (2, −8) and with gradient −4/5; (d) through (6, −3) and parallel to the line through (5, −1) and (2, 11);

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 21E
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Find the vector equation of the line
(a) through the point (1, −5) and parallel to the x-axis;
(b) through (2, 1) and (−3, 8);
(c) through the point (2, −8) and with gradient −4/5;
(d) through (6, −3) and parallel to the line through (5, −1) and
(2, 11);
(e) through (1, −1) and parallel to the median from A of the
triangle A(2, 3), B(6, 1), C(7, 3).

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