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If b^(2) - 4ac ge 0 then write the roots...

` If b^(2) - 4ac ge 0` then write the roots of a quadratic equation `ax^(2) + bx + c = 0`

Text Solution

Verified by Experts

The correct Answer is:
`(- b + sqrt (b^(2) - 4ac))/(2a) and (-b-sqrt(b^(2) - 4ac))/(2a)`
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Knowledge Check

  • The roots of a quadratic equation ax^(2) + bx + c = 0 "is"

    A
    `(-b + sqrt (b^(2) - 4ac))/(ac)`
    B
    `(-b - sqrt (b^(2) - 4))/3`
    C
    `(-b-sqrt (b - 4ac))/2`
    D
    `(-b pm sqrt (b^(2) - 4ac))/(2a)`

  • "If" b^(2) - 4ac gt 0 then the roots of the quadratic equation are…

    A
    real and distinct
    B
    real and equal
    C
    imaginary
    D
    none

  • "If" b^(2) -4ac = 0 then the roots of the quadratic equation are…

    A
    real and distinct
    B
    real and equal
    C
    imaginary
    D
    none

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