anonymous
  • anonymous
someone help please last quetion been at it for5 hours fan and medal A quadratic equation is shown below: 3x2 − 16x + 2 = 0 Part A: Describe the solution(s) to the equation by just determining the radicand. Show your work. (5 points) Part B: Solve 9x2 + 3x − 2 = 0 by using an appropriate method. Show the steps of your work, and explain why you chose the method used. (5 points)
Mathematics
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@ganeshie8 can u pleease help me with this last 1
anonymous
  • anonymous
@dan815
anonymous
  • anonymous
@peachpi

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anonymous
  • anonymous
For part b, factorization will work. 9x^2 + 3x - 2 = 0 9x^2 + 6x - 3x - 2 = 0 3x(3x + 2) - 1(3x+2) = 0 (3x-1)(3x+2) = 0 x = 1/3, -2/3
anonymous
  • anonymous
For A use this: Quadratic equation: \(ax^2+bx+c=0\) Discriminant of quadratic formula: \(b^2-4ac\) a = 3, b = -16, c = 2
anonymous
  • anonymous
If \(b^2-4ac\) is positive → 2 real solutions 0 → 1 real solution negative → 0 real solutions
anonymous
  • anonymous
thank you guys so much
anonymous
  • anonymous
@LegendaryNikki thanks
anonymous
  • anonymous
yw

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