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Nonlinear Equations in One Variable and Systems of Equations

SAT Math· difficulty 4/5

If the roots of 2x2+bx+6=02x^2 + bx + 6 = 0 have a product of 3, what is the sum of the roots?

  • A

    33

  • B

    Cannot be determined without bb

    check_circle
  • C

    66

  • D

    −b/2-b/2

Explanation

Product =6/2=3= 6/2 = 3 (consistent). Sum =−b/2= -b/2 depends on bb, which isn't given.

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