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onelove94

  • 3 years ago

3. What is a polynomial function in standard form with zeroes 1, 2, –3, and –3? (1 point) g(x) = x4 + 3x3 –7x2 – 15x + 18 g(x) = x4 + 3x3 –7x2 + 2x + 18 g(x) = x4 – 3x3 + 7x2 + 15x + 18 g(x) = x4 – 3x3 –7x2 + 15x + 18

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  1. onelove94
    • 3 years ago
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    i figured the answer is the 2nd choice

  2. campbell_st
    • 3 years ago
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    its f(x) = a(x -1)(x -2)(x + 3)^2

  3. onelove94
    • 3 years ago
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    is it the same as (x-1)(x-2)(x+3)(x+3)?

  4. campbell_st
    • 3 years ago
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    yes it is... just expand it

  5. amarhooda111
    • 3 years ago
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    exactly

  6. onelove94
    • 3 years ago
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    (x^2-3x+2)(x^2+6x+9) and now I don't know what.

  7. campbell_st
    • 3 years ago
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    well you need to distribute use a grid |dw:1355120734994:dw| the diagonals have the line terms

  8. campbell_st
    • 3 years ago
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    |dw:1355120877440:dw| it starts x^4 and finishes with 18 hope it makes sense.

  9. onelove94
    • 3 years ago
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    It does make sense ( : ...I worked it out too...but I needed help on how to get the 3rd and 4th monomials.

  10. campbell_st
    • 3 years ago
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    I use simple methods like grids... helps to avoid mistakes.

  11. onelove94
    • 3 years ago
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    So it is the 2nd choice?

  12. campbell_st
    • 3 years ago
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    |dw:1355121309927:dw| add the diagonals

  13. campbell_st
    • 3 years ago
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    so I think its the 1st option

  14. onelove94
    • 3 years ago
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    Ohhhh. It does make sense looking at it this way. Thanks a bunch ( :

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