If the point (8,-5) lies on the locus x^...

If the point (8,-5) lies on the locus `x^(2)/16-y^(2)/25=k`, then the value of k is

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SURA PUBLICATION-TWO DIMENSIONAL ANALYTICAL GEOMETRY-EXERCISE 6.5

Which of the following equation is the locus of (at^(2),2at)
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Which of the following point lie on the locus of 3x^(2)+3y^(2)-8x-12y+...
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If the point (8,-5) lies on the locus x^(2)/16-y^(2)/25=k, then the va...
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Straight line joining the points (2,3) and (-1,4) passes through the p...
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The slope of the line which makes an angle 45 with the line 3x-y=-5 ar...
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Equation of the straight line forms an isosceles triangle with coordin...
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The coordinates of the four vertices of a quadrilateral are (-2,4), (-...
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The intercepts of the perpendicular bisector of the line segment joini...
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The equation of the line with slope 2 and the length of the perpendicu...
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A line perpendicular to the line 5x-y=0 forms a triangle with the coor...
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Equation of the straight line perpendicular to the line x-y+5=0, throu...
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If the equation of the base opposite to the vertex (2,3) of a equilate...
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The line (p+2q)x+(p-3q)y=p-q for different values of p and q passes th...
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The point on the line 2x-3y=5 is equidistance from (1,2) and (3,4) is
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The image of the point (2,3) in the line y = -x is
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The length of bot from the origin to the line x/3-y/4=1 is
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The y-intercept of the straight line passing through (1,3) and perpend...
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If the two straight lines x+(2k-7)y+3=0 " and " 3kx+9y-5=0 are perpend...
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If a vertex of a square is at the origin and its one side lies along t...
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If the lines represented by the equation 6x^(2)+41xy-7y^(2)=0 make ang...
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