What is the quadratic equation whose roots are -3 and-5, and whose leading coefficient is 4
Roots are -3 and-5, the factor is: (x + 3)(x + 5) = 0 The leading coefficient is 4 then: (4x + 12)(x + 5) = 0 4x^2 + 20x + 12x + 60 = 0 4x^2 + 32x + 60 = 0 The quadratic equation whose roots are -3 and-5, and whose leading coefficient is 4 is 4x^2 + 32x + 60 = 0
Question
Updated 4/9/2014 11:31:13 PM
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Roots are -3 and-5, the factor is: (x + 3)(x + 5) = 0
The leading coefficient is 4 then: (4x + 12)(x + 5) = 0
4x^2 + 20x + 12x + 60 = 0
4x^2 + 32x + 60 = 0
The quadratic equation whose roots are -3 and-5, and whose leading coefficient is 4 is 4x^2 + 32x + 60 = 0
Confirmed by jeifunk [4/9/2014 11:34:33 PM]

Questions asked by the same visitor
What is the quadratic equation whose roots are -6 and -2, and whose leading coefficient is 5.
Question
Updated 4/9/2014 11:25:54 PM
The quadratic equation whose roots are -6 and -2, and whose leading coefficient is 5 is 5x^2 + 40x + 60 = 0.
roots are -6 and -2 then (x + 6)(x + 2) = 0
5 is the leading coefficient then (5x + 30)(x + 2) = 0
5x^2 + 40x + 60 = 0
Confirmed by jeifunk [4/9/2014 11:34:45 PM]
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