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Which of the following is a solution to the equation: x2+25x=0 A. 50B. 25C. 5D. -5E. -25 A. B. C. D. E. If b=a+3, then (a-b)4=? A. 81B. 27C. -3D. -27E. -81 A. B. C. D. E. Let x⊗y=(x-2y)2 for all integers x and y. Which of the following is the value of 5⊗(-3) A. 121B. 64C. 41D. 1E. -31 A. B. C. D. E. Using the complex number i, where i2=-1, A. B. C. D. E. If f(x) = x2+3, then f(x+y) = ? A. x2+y2B. x2+y2+3C. x2+2xy+3D. x2+2xy+y2+3E. x2+2xy+y2 A. B. C. D. E. If x is a positive real number such that x2=16, then x3+√x = ? A. 18B. 20C. 66D. 68E. 74 A. B. C. D. E. |