Bailey, Frederick H. (Frederick Harold), 1865- · Boston, London, Ginn & Co. · leaf 107
of axes having a new origin and not parallel tothe original axes. Formulas for these classes of transformations may beworked out, but it will be preferable to make such transfor-mations by a combination of the formulas already found, asshown in the following example. Transform the equation 7x2+… … First transform to the new axes OX and OY meeting at 0 (2, — 1)and respectively parallel to OX and OY. TRANSFOKMATION OF COORDINATES. 93 By [19], § 43, X = 2 + x, y = - 1 + y will be the formulas of transformation, and the equation becomes7(2+ x)2+13(-l+ y)2 —6V3(2+ x) (-1 + y)- (6V3 + 28) (2+ x)+…
Geometry, Analytic
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