qcesticn
qcesticn qcesticn
  • 12-01-2017
  • Mathematics
contestada

what is one solution of the equation x^2 - 21.75x = -15.75?

thank you for the help!

Respuesta :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 19-01-2017
To determine the solution of the given equation, we can use the quadratic formula which is expressed as:

x = (-b +/- √b^2 - 4ac ) / 2a

where a, b and c are the coefficients of the equation ( ax^2 + bx + c = 0) 

USing the formula above we obtain the values:

x = 21
x = 3/4

Hope this answers the question. Have a nice day.
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