Question

Find the zero of the quadratic polynomial and verify the relationship between the zeros and the coefficient x square + 3 x-10

Answer 1

Answer:

Therefore zeroes are - 5 and 2

Step-by-step explanation:

X²+3x-10

X²-2x+5x-10

X(x-2)+5(x-2)

(x+5)(x-2)

Therefore zeroes are x+5 =0 & x-2 = 0

X = - 5,2

Verification of the zeroes of the quadratic polynomial

Given polynomial p(x) = X²+3x-10

Therefore a = 1 b= 3 & c= - 10

Sum of zeroes of polynomial = - b/a

-5+2 = - 3/1

-3 = - 3

Product of zeroes = c/a

-5*2 = - 10/1

-10 = - 10

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