anonymous
  • anonymous
A quadratic equation is shown below: 9x2 − 16x + 60 = 0 Part A: Describe the solution(s) to the equation by just determining the radicand. Show your work Part B: Solve 4x2 + 8x − 5 = 0 by using an appropriate method. Show the steps of your work, and explain why you chose the method used.
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
anonymous
  • anonymous
anonymous
  • anonymous
Get the app "mathway "it will give you an answer

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anonymous
  • anonymous
Will it help me learn it just a tad? I barley understand these things
anonymous
  • anonymous
No it will just give you the right answer you have to pay to get an explanation sorry
anonymous
  • anonymous
Thank you anyways!
Nnesha
  • Nnesha
radicand= discriminant what's the qudratic formula ?
Nnesha
  • Nnesha
quadratic *
anonymous
  • anonymous
|dw:1441904521999:dw|
Nnesha
  • Nnesha
yes rigght \(\huge\color{reD}{\rm b^2-4ac}\) `Discriminant` you can use this to find if the equation is factorable or not if ` b^2-4ac > 0` then there are 2 real zeros if ` b^2-4ac = 0` then there is one real root if ` b^2-4ac < 0` then you will get two complex roots (no -x-intercept)
Nnesha
  • Nnesha
discriminant = radicand
Nnesha
  • Nnesha
thats for part A^
anonymous
  • anonymous
Oh, okay, thank you, and now to part B, do I use the quadratic formula again?
Nnesha
  • Nnesha
yes right !
Nnesha
  • Nnesha
substitute a b ,c then solve

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