Isaiahplater27
Isaiahplater27 Isaiahplater27
  • 01-04-2019
  • Mathematics
contestada

Question 1 options:
x2 +x − 4 = 0
You will solve this using the Quadratic Formula.

First, what are the values of a, b, and c?

a =

Respuesta :

jamuuj jamuuj
  • 01-04-2019

Answer:

x = 1.56  or x = -2.56

Step-by-step explanation:

From the equation;

x2 +x − 4 = 0

a = 1 , b = 1, and c = -4

x = (-b ± √(b² -4ac))/2a

  = (-1 ± √(1²- 4×1×-4))/2

  = ( -1 ± √(17)/2

  = (-1 ± 4.12)/2

  = (-1 + 4.12)/2 or (-1 - 4.12)/2

  x = 1.56  or x = -2.56

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