Recent questions tagged lines-curves

0 votes
2 answers
2
The value of $k$ for which $4x^2 – 8xy + ky^2 = 0$ does not represent a pair of straight lines (both passing through the origin) is:0293
2 votes
2 answers
3
If at every point of a certain curve, the slope of the tangent equals $\frac{-2x}{y}$ the curve isa straight linea parabolaa circlean ellipse
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