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Module 18
Nonlinear Equalities and One Variable
Question | Answer |
---|---|
Solve (x-3)(x+4) ≤ 0 | [-4,3] |
Solve (x^2) -9 < 0 | First factor the equation and set to 0: (x+3)(x-3) = 0 (-∞,-3)U(3,∞) |
Solve (x-8)(x-4)(x-2) > 0 | (2,4)U(8,∞) |
Solve x(x-5)(x+2) ≤ 0 | (-∞,-2]U[0,5] |
Solve (x+5)^2/7x > 0 | (0,∞) |
4x^3+24x^2-25x-150 > 0 | (-6,-(5/2))U((5/2),∞) |