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africaz111 Group Title

When the quadratic equation y = (x − 5)(2x + 3) is written in standard form, what is the value of the coefficient "b"? answers: 7 −7 2 −15

  • 2 years ago
  • 2 years ago

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  1. Decart Group Title
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    -7

    • 2 years ago
  2. africaz111 Group Title
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    can you explain?

    • 2 years ago
  3. Decart Group Title
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    \[2x ^{2}-7x-15\]

    • 2 years ago
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    foil

    • 2 years ago
  5. africaz111 Group Title
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    ok. can you help me with another problem?

    • 2 years ago
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    ?

    • 2 years ago
  7. africaz111 Group Title
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    Identify which equation is a quadratic equation. y = −5x − 3 y = −4x(x + 10) + 34 y + x2 = (x − 4)(x + 3) y − 2 = (x − 2)(x2 + 1)

    • 2 years ago
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    quadratic means that a variableis raised to the power of 2

    • 2 years ago
  9. africaz111 Group Title
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    ok so the second one?

    • 2 years ago
  10. Decart Group Title
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    no you have to simplify them

    • 2 years ago
  11. Decart Group Title
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    there may be more than one

    • 2 years ago
  12. africaz111 Group Title
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    ok. thank you

    • 2 years ago
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