Question 1In set theory, an empty set is represented withA.ΦB.{}C.{.}D.Φ and {}E.All of the aboveObjective Show full explanation
Question 2The value of sin300 is A.√3/2B.1/2C.-1/2D.-√3/2E.1Objective Show full explanation
Question 3The 2nd and 5the terms of a geometric progression are 24 and 81 respectively. Find the common ratioA.2/3B.3/2C.5/2D.7/2E.9/4Objective Show full explanation
Question 4The percentage score of 10 students in a test are 12, 56, 42, 21, 25, 18, 10, 53, 42, 24, what is the median score.A.25.4B.27.6C.26.3D.27.5E.24.5Objective Show full explanation
Question 5Multiply x2 + x + 1 by x2 - x + 1A.x4 + 3x2 + x + 1B.x4 + x2 + 1C.x4 + 4x2 + 6x + 1D.x4 - 6x2 - 4x + 1E.x4 - x3 - x2 - x + 1Objective Show full explanation
Question 6The sum of the root of a quadratic equation is 5/2 and the product of its roots is 4. The quadratic equation isA.2x2 + 5x. + 8 = 0B.2x2 - 5x + 8 = 0C.2x2 -8x + 5 = 0D.2x2 + 8x - 5 = 0E.2x2 - 5x - 8 = 0Objective Show full explanation
Question 8Find the derivative of the function y = -2x2 (2x - 1) at the point x = -1A.-6B.-4C.-16D.18Objective Show full explanation