Plane and solid analytic geometry; an elementary textbook (1904)
Ashton, Charles Hamilton, 1866-1936 · New York, C. Scribner's Sons · leaf 70
y represent: (a) lx-3y = 25, (d) aj + 4 = 0, (6) ». + 2y = -8, (e) 5y-3 = 0, (c) 2x-2/ = 0, (/) aj-3y + 4 = 0. Ch. IV, § 36] THE STRAIGHT LINE 53 3. What system of lines is represented by the equationx cos a -f y sin a — p = 0, if we keep a constant and allow p tovary ? If we keep j> constant…
Geometry, Analytic
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