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 41
ke the construction for m. It is usually easier to make use of two points for the con-struction of straight lines, and these points are most easilydetermined on the axes, where the line crosses them. Since the equation of a line expresses the relation betweenthe co-ordinates of every point on the… … y Fig. 17. cept on the #-axis, set y = o in the equation (for at thepoint of crossing y = o); the value of x will then be thex-intercept. Likewise, to find the ^-intercept set x = oin the equation. Analytical Geometry. 3$ In the preceding example, 2 y - 3 x = 8. Set y = o, 0-31= 8 x= — § (# —…
Geometry, Analytic · Calculus
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