tristenetseeeee tristenetseeeee
  • 23-10-2020
  • Mathematics
contestada

Which of the following is the correct substitution into the quadratic formula?
3x2 + 4x +5=0

Which of the following is the correct substitution into the quadratic formula 3x2 4x 50 class=

Respuesta :

grantgreving1
grantgreving1 grantgreving1
  • 23-10-2020

Answer:

answer is D

x = -4±√4^2 - 4(3)(5)

               2(3)

Step-by-step explanation:

ax^2 + bx + c = 0

3x^2 + 4x + 5 = 0

x = -b ±√b^2 - 4ac

             2(a)

x = -4±√4^2 - 4(3)(5)

               2(3)

Answer Link
billgkgk
billgkgk billgkgk
  • 23-10-2020

Answer:

The last choice is correct.

Step-by-step explanation:

Use only the coefficients and the constant, a, b & c. not the variable x.

Answer Link

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