1) An equation where the highest exponent of the variable of x is ............. a) x b) x3 c) x2 d) none 2) Factorise 12x2 = 25x a) x = 0 b) x = 0 0r 25/12 c) x = 2 or 5 d) x = 5 3) Factorise 3x2 + 9x - 15 a) 3x(x + 3 - 5) b) 3(x2 + 3x - 5) c) 3(x2 + 9x - 5) d) none 4) Factorise x2 - 16 a) (x - 4)(x - 4) b) (x - 8)(x - 8) c) (x - 4)(x + 4) d) (x - 8)(x + 8) 5) Factorise x2 - 2x + 3 a) (x - 3)(x + 1) b) (x - 1)(x + 3) c) (x - 1)(x - 3) d) (x - 2)(x + 1) 6) Factorise  x2 - 5x - 6 a) (x - 2)(x - 3) b) (x + 2)(x - 3) c) (x - 6)(x - 1) d) (x + 1)(x - 6) 7) Factorise 4x2 - 100 a) (2x - 5)(2x +5) b) (2x - 5)(2x - 5) c) 4(x - 5)(x + 5) d) (x - 1)(x - 3) 8) Factorise 3x2 - 3x - 36 a) 3(x - 1)(x - 3) b) 3(x +1)(x - 3) c) 3(x - 2)(x - 3) d) 3(x - 4)(x + 3) 9) Factorise x2 = 11x - 28  a) (x - 4)(x - 7) b) (x - 2)(x - 7) c) (x + 2)(x + 3) d) (x + 7)(x - 3) 10) A quadratic equation takes the form ax2 + bx + c = 0. " a " can not be a) - 1 b) 0 c) 1 d) 1000

QUADRATIC EQUATIONS: Explain the meaning of quadratic equation

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