What are the zeros of the quadratic function fx=2x2+16x-9 x=-4- square root of 7/2 and x=-4+ square root of 7/2 x=-4- square root of 25/2 and x=-4+ square root of 25/2 x=-4- square root of 21/12 and x=-4+ square root of 21/2 x=-4- square root of 41/2 and x=-4+ square root of 41/2

Question
What are the zeros of the quadratic function fx=2x2+16x-9 x=-4- square root of 7/2 and x=-4+ square root of 7/2 x=-4- square root of 25/2 and x=-4+ square root of 25/2 x=-4- square root of 21/12 and x=-4+ square root of 21/2 x=-4- square root of 41/2 and x=-4+ square root of 41/2
Answer:
Write properties of function: x intercept/zero: x_{1} = -4 + \dfrac{\sqrt{82}}{2}, multiplicity 1; x_{2} = -4 - \dfrac{\sqrt{82}}{2}, multiplicity 1
solved
algebra 11 months ago 5375