EXERCISE 2.2
1. Find the zeroes of the following quadratic polynomials and verify the relationship between
the zeroes and the coefficients.
(i) x^2 - 2x - 8
(ii) 4s^2-4s + 1
(iii) 6x^2-3-7x
(iv) 4u^2+ 8u
(v) t^2-15
(vi) 3x^2 - X-4
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6x²-3-7x
p(x) =6x²-7x -3
=6x²-(9-2)x- 3
=6x²-9x+2x-3
=3x(2x-3 )+1(2x-3 )
=(3x+1)(2x-3).
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