Question

Find the zeros of the quadratic polynomial (x2-5) and verify the relationship between the zero and the coefficient ​

Answer 1

its zero is root 5

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Answer 2

Answer:

x²- 5 = 0

x² - (√5)²= 0

(x+√5) (x - √5)= 0

x + √5 = 0 x - √5 = 0

x = -√5 x = √5

a + ß = -b/a

-√5 + √5 = 0/1

0 = 0

a (ß) = c/a

-√5(√5) = 5/1

5 = 5

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