Newcomb, Simon, 1835-1909 · New York, H. Holt and company · leaf 52
or b : a = : FM: MA = y iVe hence derive ay = b{a- x); is, bx -\- ay -— ab, a^ b ^ … (3) Def. The lengths OA and OB from the origin to thepoints in which the line cuts the co-ordinate axes are calledthe intercepts of the line upon the respective axes. THE STBAIQHT LINE. 37 EXERCISES. 1. Write the equations of lines passing through the originand making the angles of 45°, 30°, 120°,…
Geometry, Analytic
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