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anonymous

  • one year ago

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.

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  1. anonymous
    • one year ago
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    @ganeshie8

  2. anonymous
    • one year ago
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    @Nnesha

  3. anonymous
    • one year ago
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    Get the app "mathway "it will give you an answer

  4. anonymous
    • one year ago
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    Will it help me learn it just a tad? I barley understand these things

  5. anonymous
    • one year ago
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    No it will just give you the right answer you have to pay to get an explanation sorry

  6. anonymous
    • one year ago
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    Thank you anyways!

  7. Nnesha
    • one year ago
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    radicand= discriminant what's the qudratic formula ?

  8. Nnesha
    • one year ago
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    quadratic *

  9. anonymous
    • one year ago
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    |dw:1441904521999:dw|

  10. Nnesha
    • one year ago
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    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)

  11. Nnesha
    • one year ago
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    discriminant = radicand

  12. Nnesha
    • one year ago
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    thats for part A^

  13. anonymous
    • one year ago
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    Oh, okay, thank you, and now to part B, do I use the quadratic formula again?

  14. Nnesha
    • one year ago
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    yes right !

  15. Nnesha
    • one year ago
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    substitute a b ,c then solve

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