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11. Determine the equation of the parabola with vertex at the origin, focus on the +x axis and with its directrix 4 units from the focus. a. y 2 = 8x b. y 2 = 4x C. X 2 = By d. x 2 = 4y 12. It represent the distance of a point from the y-axis. a. ordinate b. abscissa c. coordinate d. polar distance 13. What is the center and radius of a circle with an equation x2+y2-x-y = 1/64. a. C (1, 1/2 ), R=4 b. C ( 1/2, - 1/2 ), R = sq.rt of 2/5 TER c. C(1, 1), R=sq.rt of 5 d. C ( 1/2, 3/2 ), R=sq.rt of 33/8 14. In polar coordinate system the distance from a point to the pole is known as a. polar angle b. x-coordinate c. radius vector d. y-coordinate 15. Write the equation of a line with x-intercepts a = 8 and y-intercepts, b = 1. a. 8xty-8=0 b. x-8y+8=0 C. 8x-y+8=0 d. x-8y-8=0 16. Find the eccentricity of a hyperbola whose transverse and conjugate axes are equal in length. a. 2 b.3 c. sq. rt. of 2 AND sq. it. 13 17. The curve 3x 2 =y *3+9 is symmetric with respect to the( a. y-axis b. x-axis c. origin &C d. both axes 18. Find the area of the quadrilateral having ventricles at (2, 1), (4,3), (-1, 2) and(-3,-2). a. 16 b. 18 C 17 446 d. 14 19. A conic section whose eccentricity is equal to one and the discriminant is equal to zero. a. parabola b. ellipse GR circle d. hyperbola 20. Describe the locus represented by (z-3| - |z+3) = 4. a. ellipse b. circle c. hyperbola d. parabola 21. A tangent to a conidis a line a. which is parallel to the normal b. which touches the conic at only one point c. which passes inside the conic d. all of the above 22. If the product of the slopes of the line is negative 1, the lines are a. parallel b. coincident c. perpendicular d. skew lines 23. A parabolic cable has a span of 200 ft and a sag of 50 ft, the equation of the cable is a. x 2 = 200y b. x 2 = 40y c. y 2 = 200x d. y *2 = 40x