Find the zeroes of the polynomial and verify the relation between the zeroes and coefficient. x²-7x-8
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Step-by-step explanation:
x²-7x-8
x^2-(8-1)x-8
x^2 -8x+x-8
x(x-8)+1(x-8)
(x+1)(x-8)
zeroes are a = -1 ,B= 8
relation between the zeroes and coefficient.
a= 1 b= -7 c=-8
sum of zeros = -b/a
a+B = -(-7)/1
-1+8 = 7
7 = 7
product of zeros = c/a
aB = -8/1
-1×8 = -8
-8 = -8
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