(A) (2,−3)
(B) (−2,3)
(C) (−4,6)
(D) (4,−6)
Category: Maths
The focus of the parabola y^2=-8(x-3) is ?
(A) (0,0)
(B) (1,0)
(C) (0,1)
(D) (1,1)
If the discriminent of a conic is h^2-ab=0, then it represents a
(A) circle
(B) parabola
(C) hyperbola
(D) ellipse
If the distance between vertex and focus is 3, then the length of latusrectum is ?
(A) 6
(B) 8
(C) 10
(D) 12
The radius of the circle 4x^2+4y^2-8x+12y-25=0 is ?
The line y=mx+c intersects the circle x^2+y^2=a^2 at the most of __________ points.
(A) 1
(B) 2
(C) 3
(D) 4
The line perpendicular to the tangent line is called ?
(A) normal line
(B) secant line
(C) limit
(D) derivative
The eccentricity of an ellipse is ?
(A) e = 1
(B) e < 1
(C) e > 1
(D) 0 < e < 1
The perpendicular distance from the point (3,−4) to the line 3x^2-4x+10=0
(A) 7
(B) 8
(C) 9
(D) 10
The point of a parabola which is closest to the focus is the __________ of the parabola.
(A) vertex
(B) latus rectum
(C) directrix
(D) eccentricity