If the position vector of one end of a chord through the focus of the parabola y^2 = 8x is 1/2i + 2j, find the position vector of the other end.
Find the midpoint and distance of the line segment that connects the following points a) (0,3) and (4,7) b) (-9,6) and (-1, -2) c) (-4.5, -12.5) and (4.5, 13)
1.) Find an equation for the plane that passes through the origin (0, 0, 0) and is parallel to the plane - x + 3y - 2z = 6
2.) Find the distance between the point (-1, - 2, 0) and the plane 3x - y + 4z =-2
1. Find the distance between the point and given plane.
P (1, 2, 3)
π : 2x + y β 2z β 4 = 0
If the position vector of one end of a chord through the focus of the parabola y^2 = 8x is 1/2i + 2j, find the position vector of the other end.
A slender rod 40 in long is bent so as to form a right triangle. If the segments are 8 in and 32 in long, find the centroid.
If the position vector of one end of a chord through the focus of the parabola y^2 = 8x is 1/2i + 2j, find the position vector of the other end.
Express the following equations of a parabola in standard form and in each case state the coordinates of its vertex,focus and the ends of the latus rectum.
(a) x^2β 2x β 4y = 0,
(b) y^2 + 12x β 48 = 0,
(c) x^2 β 6x β 2y + 7 = 0.
Write down the Cartesian equation of a parabola with vertex at the origin and the
focus at the point (0, β2).
Write the equation of the ellipse which satisfies the given conditions.
1a. Center (2, 3), horizontal axis 8, vertical axis 4
b. Center (1, -2), horizontal major axis 8, eccentricity
2a. Foci (-2,1) and (4, 1), major axis 10
b. Foci (-3,0) and (-3, 4), minor axis 6
3a. Foci (-2,2) and (4,2), eccentricity
b. Foci (+2, 0), directrices x = +8
4a. Focus (0,0), vertex (5,0), eccentricity 0.5
b. Focus (0,0), vertex (0, 2), eccentricity 0.6
5a. Center (1,3), V(1,-1), and passing through the origin
b. Center (1, 1), V(3, 1), and passing through the origin