Mathematics for engineering students, Analytical geometry and calculus (1907)
Keller, S. S. (Samuel Smith), 1867-1923, Knox, W. F., [from old catalog] joint author · New York : D. Van Nostrand company · leaf 37
et the tangent of the angle be m and the point be (x, y).Then y = mx + b (i) can represent the slope equation tothe line. This equation satisfies the condition that theline should have the slope m, but it must also pass throughthe point (V, /). Hence, if y = mx + b is to completely represent… … y Fig. 14. Art. 22. When the line is determined by two points, oneon each axis. * It is to be observed that the slope equation is a specialform of (C) where (xf, y) is (b, o). Analytical Geometry. 29 Let the points P and Q, respectively (0, b) and (a, 0),be the determining points (Fig. 14), and let…
Geometry, Analytic · Calculus
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