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Find-the-values-for-b-and-c-given-that-the-quadratic-expression-x-2-bx-c-lt-0-x-1-lt-x-gt-3-

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Question Number 152960 by nitchyy last updated on 03/Sep/21
Find the values for b and c given that the quadratic expression x^2 +bx+c<0 {x:−1<x>3}
Findthevaluesforbandcgiventhatthequadraticexpressionx2+bx+c<0{x:−1<x>3}
Answered by mr W last updated on 03/Sep/21
you mean −1<x<3? −b=−1+3 ⇒b=−2 c=(−1)×3 ⇒c=−3
youmean−1<x<3?−b=−1+3⇒b=−2c=(−1)×3⇒c=−3

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