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Published on: 27/08/2019
Two Dimensional Analytical Geometry-II
Download Tamil Nadu 12th Standard Maths question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Maths Test1.
The locus of the point of intersection of perpendicular tangents of the parabola y2 = 4ax is
latus rectum
directrix
tangent at the vertex
axis of the parabola
2.
3.
Equation of tangent at (-4, -4) on x2 = -4y is _____________
2x - y + 4 = 0
2x + y - 4 = 0
2x - y - 12 = 0
2x + y + 4 = 0
4.
The centre of the circle inscribed in a square formed by the lines x2 − 8x − 12 = 0 and y2 − 14y + 45 = 0 is
(4, 7)
(7, 4)
(9, 4)
(4, 9)
5.
The radius of the circle 3x2 + by2 + 4bx − 6by + b2 = 0 is
1
3
\( \sqrt {10}\)
\( \sqrt {11}\)
6.
The equation of the circle passing through (1, 5) and (4, 1) and touching y-axis is x2 + y2 − 5x − 6y + 9 + \(\lambda\)(4x + 3y − 19) = 0 where λ is equal to
\(0,-\frac { 40 }{ 9 } \)
0
\(\frac { 40 }{ 9 } \)
\(\frac { -40 }{ 9 } \)
7.
LR of (x - 4)2 = 4(x + 2)
8.
LR of (y + 1)2 = 8(x - 3)
9.
Vertex of (y -1)2 = 8x
10.
Focus of (y + 1)2 = 8(x - 3)
1.
(b)
directrix
2.
(b)
3.
(a)
2x - y + 4 = 0
4.
(a)
(4, 7)
5.
(c)
\( \sqrt {10}\)
6.
(a)
\(0,-\frac { 40 }{ 9 } \)
7.
4
8.
8
9.
(0, 1)
10.
(a, 0)
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