Tanner, J. H. (John Henry), b. 1861, Allen, Joseph · New York, American Book Co · leaf 81
ing an angle tan ^- with the-avaxis? 9. How do the lines y = 3x—\, y = Sx + 7, and ky — 3 kx+15 = 0 differ from each other ? What have they in common ?Draw these lines. 10. What is common to the lines y=3x — l, 2y=5x —2,and 7 a;-33/= 3? 11. What is the slope of line [8], p. 60 ? of line [9], p. 61… … Fig. 31a. ^^ Fio. 316. with the X-axis. Let KII be the line whose equation is sought.and let the perpendicular (ON=i}) from O upon this line. 43,44] EQUATION OF FIRST DEGREE 65 and the angle (a) which this perpendicular makes with theX-axis, be given. Also let P = {x, y) be any point on KH;then by…
Geometry, Analytic
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