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MCQ for Full Syllabus Mathematics Conic Sections
Full Syllabus Mathematics students should refer to the following multiple-choice questions with answers for Conic Sections in Full Syllabus.
Conic Sections MCQ Questions Full Syllabus Mathematics with Answers
Question: Find the equation of the hyperbola whose directrix is 2x + y = 1, focus (1, 2) and eccentricity √3
- a) 7x2 – 2y2 + 12xy – 2x – 14 – 22 = 0
- b) 7x2 + 2y2 – 12xy – 2x + 14 – 22 = 0
- c) 7x2 + 2y2 + 12xy – 2x – 14 – 22 = 0
- d) 7x2 – 2y2 + 12xy – 2x + 14 – 22 = 0
Answer: 7x2 – 2y2 + 12xy – 2x + 14 – 22 = 0
Question: Find the parametric coordinates of any point of the circle x2 + y2 + 2x – 3y – 4 = 0
- a)
- b)
- c)
- d)
Answer:
Question: If the tangent at the point P(x1, y1) to the parabola y2 = 4ax meets the parabola y2 = 4a(x + b) at Q and R, then the mid-point of QR is
- a) (x1 + b, y1 + b)
- b) (x1 – b, y1 – b)
- c) (x1, y1)
- d) (x1 + b, y1)
Answer: (x1, y1)
Question: If the line 3x + ay – 20 = 0 cuts the circle x2 + y2 = 25 at real distinct or coincident points, then a belongs to the interval
- a) [- √7, √7]
- b) (- √7, 1/7)
- c)
- d) None of these
Answer:
Question: The total number of common tangents to the two circles x2 + y2 – 2x – 6y + 9 = 0 and x2 + y2 + 6x – 2y + 1 = 0, is -
- a) 1
- b) 2
- c) 3
- d) 4
Answer: 4
Question: The equation of the tangent to the elipse x2 + 4y2 = 25 at the point whose ordinate is 2 is
- a) x + 2y = 5 or 2x - y = 5
- b) 3x +8y = 25 or 8y -3x = 25
- c) 3x + 2y =15 or 3y - 2x =15
- d) None of these
Answer: 3x +8y = 25 or 8y -3x = 25
Question: An equilateral triangle is inscribed in the circle x2 + y2 = a2 with one of the vertices at (a, 0). What is the equation of the side opposite to this vertex ?
- a) 2x – a = 0
- b) x + a = 0
- c) 2x + a = 0
- d) 3x – 2a = 0
Answer: 2x + a = 0
Question: The equation of one of the common tangents to the parabola y2 = 8x and x2 + y2 -12x + 4 = 0 is
- a) y = –x + 2
- b) y = x – 2
- c) y = x + 2
- d) None of these
Answer: y = x + 2
Question: The line joining (5, 0) to ( (10cos θ, 10sin θ) is divided internally in the ratio 2 : 3 at P. If θ varies, then the locus of P is
- a) A pair of straight
- b) A circle lines
- c) A straight line
- d) None of these
Answer: A circle lines
Question: The number of integral values of λ for which x2 + y2 + λx + (1- λ)y + 5 = 0 is the equation of a circle whose radius cannot exceed 5, is
- a) 14
- b) 18
- c) 16
- d) None of these
Answer: 16
Question: An ellipse has OB as semi minor axis, F and F ' its focii and the angle FBF ' is a right angle. Then the eccentricity of the ellipse is
- a)
- b)
- c)
- d)
Answer:
Question: If the line 2x – 3y = k touches the parabola y2 = 6x, then find the value of k
- a) –15/4
- b) –27/4
- c) –1/4
- d) –3/4
Answer: –27/4
Question: S and T are the foci of an ellipse and B is an end of the minor axis. If STB is an equilateral triangle, then the eccentricity of the ellipse is
- a)
- b)
- c)
- d)
Answer:
Question: The length of the tangent drawn from any point on the circle x2 + y2 + 2fy + λ = 0 to the circle x2+ y2 + 2fy + μ = 0, where μ > λ > 0, is
- a)
- b)
- c)
- d) μ + λ
Answer:
Question: Find the eccentricity of the conic represented by x2 – y2 – 4x + 4y + 16 = 0
- a) 2
- b) √2
- c) 2 √2
- d) 3 √2
Answer: √2
Question: The length of the latus-rectum of the parabola whose focus is
and directrix is
is
- a)
- b)
- c)
- d)
Answer:
Question: The equation of the ellipse with focus at and as one directrix is
- a)
- b)
- c)
- d) None of these
Answer:
Question: For what value of k the circles x2 + y2 + 5x + 3y +7 = 0 and x2 + y2 – 8x + 6y + k = 0 cuts orthogonally
- a) 16
- b) –18
- c) – 13
- d) – 10
Answer: –18
Question: If the lines 3x – 4y + 4 = 0 and 6x – 8y – 7 = 0 are tangents to a circle, then the radius of the circle is
- a) 3/2
- b) 3/4
- c) 1/10
- d) 1/20
Answer: 3/4
Question: If the line 2x – 1 = 0 is the directrix of the parabola y2 – kx + 6 = 0 then one of the values of k is
- a) – 6
- b) 6
- c) 1/4
- d) – 1/4
Answer: – 6
Question: The line ax + by = 1 cuts ellipse cx2 + dy2 = 1 only once if
- a) ca 2 + db2 =1
- b)
- c)
- d) ac2 + bd2 = 1
Answer:
Question: Find the equation of chord of the circle x2 + y2= 8x bisected at the point (4, 3)
- a) y = 3
- b) y = 1
- c) y = 6
- d) y = 7
Answer: y = 3
Question: Find the vertex of the parabola x2 – 8y – x + 19 = 0.
- a)
- b)
- c)
- d)
Answer:
Question: Which of the following lines, is a normal to the parabola y2 = 16x ?
- a) y = x – 11 cosθ – 3 cos3θ
- b) y = x – 11 cosθ – cos3θ
- c) y = (x – 11) cosθ + cos3θ
- d) y = (x – 11) cosθ – cos3θ
Answer: y = (x – 11) cosθ – cos3θ
Question: For what value of λ does the line y = x + λ touches the ellipse 9x2 + 16y2 =144.
- a)
- b)
- c)
- d)
Answer:
Question: The length of the semi-latus rectum of an ellipse is one thrid of its major axis, its eccentricity would be
- a)
- b)
- c)
- d)
Answer:
Question: An equilateral triangle is inscribed in the circle x2 + y2 = a2 with one of the vertices at (a, 0). What is the equation of the side opposite to this vertex ?
- a) 2x – a = 0
- b) x + a = 0
- c) 2x + a = 0
- d) 3x – 2a = 0
Answer: 2x + a = 0
Question: The equation of one of the common tangents to the parabola y2 = 8x and x2 + y2 -12x + 4 = 0 is
- a) y = –x + 2
- b) y = x – 2
- c) y = x + 2
- d) None of these
Answer: y = x + 2
Question: The line joining (5, 0) to ( (10cos q, 10sin q) is divided internally in the ratio 2 : 3 at P. If θ varies, then the locus of P is
- a) A pair of straight
- b) A circle lines
- c) A straight line
- d) None of these
Answer: A circle lines
Question: The number of integral values of λ for which x2 + y2 + λx + (1- λ)y + 5 = 0 is the equation of a circle whose radius cannot exceed 5, is
- a) 14
- b) 18
- c) 16
- d) None of these
Answer: 16
Question: The lengths of the tangent drawn from any point on the circle 15x2 +15y2 - 48x + 64y = 0 to the two circles 5x2 + 5y2 – 24x + 32y + 75 = 0 and 5x2 + 5y2 – 48x + 64y + 300 = 0 are in the ratio of
- a) 1 : 2
- b) 18
- c) 16
- d) None of these
Answer: 1 : 2
Question: The length of the chord x + y = 3 intercepted by the circle x2 + y2 - 2x - 2y - 2 = 0 is
- a)
- b)
- c)
√14
- d)
Answer:
√14
Question: The locus of the point of intersection of two tangents to the parabola y2 = 4ax, which are at right angle to one another is
- a) x2 + y2 = a2
- b) ay2 =x
- c) x + a = 0
- d)
Answer: x + a = 0
Question: The parabola having its focus at (3, 2) and directrix along the y-axis has its vertex at
- a) (2, 2)
- b)
- c)
- d)
Answer:
Question: Let S be the focus of the parabola y2 = 8x and PQ be the common chord of the circle x2 + y2 – 2x – 4y = 0 and the given parabola. The area of ΔPQS is
- a) 4 sq units
- b) 3 sq units
- c) 2 sq units
- d) 8 sq units
Answer: 4 sq units
Question: The eccentricity of an ellipse, with its centre at the origin, is 1/2. If one of the directrices is x = 4 , then the equation of the ellipse is:[
- a) 4x2 + 3y2 = 1
- b) 3x2 + 4y2 = 12
- c) 4x2 + 3y2 = 12
- d) 3x2 + 4y2 = 1
Answer: 3x2 + 4y2 = 12
Question: Area of the circle in which a chord of length √2 makes an angle p/2 at the centre, is
- a) π/2 sq units
- b) 2π sq units
- c) π sq units
- d) π/4 sq units
Answer: π sq units
Question: The angle of intersection of the two circles x2 + y2 – 2x – 2y = 0 and x2 + y2 = 4, is
- a) 30º
- b) 60º
- c) 90º
- d) 45º
Answer: 45º
Question: An arch of a bridge is semi-elliptical with major axis horizontal. If the length the base is 9 meter and the highest part of the bridge is 3 meter from the horizontal; the best approximation of the height of the arch. 2 meter from the centre of the base is
- a) 11/4 m
- b) 8/3 m
- c) 7/2 m
- d) 2 m
Answer: 8/3 m
Question: A pair of tangents are drawn from the origin to the circle x2 + y2+ 20 (x + y) + 20 = 0, then the equation of the pair of tangent are
- a) x2 + y2 - 5xy = 0
- b) x2 + y2 + 2x + y = 0
- c) x2 + y2 – xy + 7 = 0
- d) 2x2 + 2y2 + 5xy = 0
Answer: 2x2 + 2y2 + 5xy = 0
MCQs for Conic Sections Mathematics Full Syllabus
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