Question

find the zeros of each of the following quadratic polynomials and verify the relationship between the zeros and the coefficient.(a) x ²-2x-8(b)√3x²+10x+7√3(c)x²-(√3+1)x+√3​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

(a) $x^{2} -2x-8$

    $x^{2} -4x+2x-8$

  x (x - 4) + 2 ( x - 4 )

= (x+2) (x-4)

therefore ,

     x+2 = 0

    x = -2

    and

   x-4 = 0

    x = 4

(b) √3$x^{2}$ + 10x + 7√3

    √3$x^{2}$ + 3x + 7x + 7√3

 √3 x (x + √3)  + 7 (x + √3 )

( x + √3 ) ( √3x + 7 )

therefore ,

zeroes = -√3 , -7 / √3

Step-by-step explanation:

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