Question

1. Find the zeroes of the quadratic polynomial x² +7x+10 and verify the
relationship between zeroes and the coefficients?
2. Find the zeroes of the polynomial x'-5 and verify the relationship​

Answer 1

HeRe Is Your Ans

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x² +7x+10

X² + 5X + 2X + 10

X(X+5) + 2(X+5)

Hence ，X = -2 Or X = -5

Verification =>

α + β = -B / A

-2 + (-5) = -7 / 1

-2 - 5 = -7

-7 = -7

α × β = C / A

-2 × (-5) = 10 / 1

10 = 10

Hence , Verified

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