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shayyeatsrainbows Group Title

When the quadratic equation y = (x − 3)(4x + 2) is written in standard form, what is the value of the coefficient "b?"

  • 2 years ago
  • 2 years ago

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  1. RyanL. Group Title
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    \[y=ax^2+bx+c\]

    • 2 years ago
  2. RyanL. Group Title
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    that's standard form.

    • 2 years ago
  3. RyanL. Group Title
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    you have to distribute out \[y = (x − 3)(4x + 2) \]

    • 2 years ago
  4. ayushprasad Group Title
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    4x^2 -10x -6 -10 is b ( use the standard form)

    • 2 years ago
  5. hartnn Group Title
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    simply multiply term by term,and compare with ax*x+bx+c...so 4x*x+(-12+2)x-6...so b is -10

    • 2 years ago
  6. RyanL. Group Title
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    wow give answers much guys?

    • 2 years ago
  7. amistre64 Group Title
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    y = (a+b)(m+n) = am + an + bm + bn = am + (an + bm) + bn

    • 2 years ago
  8. farmdawgnation Group Title
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    @hartnn Please try to engage the user in learning, instead of just giving them the answer in the future. Thanks.

    • 2 years ago
  9. hartnn Group Title
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    roger that

    • 2 years ago
  10. lgbasallote Group Title
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    sadly @shayyeatsrainbows 's not engaging either...

    • 2 years ago
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