anonymous
  • anonymous
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
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
-7
anonymous
  • anonymous
can you explain?
anonymous
  • anonymous
\[2x ^{2}-7x-15\]

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anonymous
  • anonymous
foil
anonymous
  • anonymous
ok. can you help me with another problem?
anonymous
  • anonymous
?
anonymous
  • anonymous
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)
anonymous
  • anonymous
quadratic means that a variableis raised to the power of 2
anonymous
  • anonymous
ok so the second one?
anonymous
  • anonymous
no you have to simplify them
anonymous
  • anonymous
there may be more than one
anonymous
  • anonymous
ok. thank you

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