ANIMALlove2
ANIMALlove2 ANIMALlove2
  • 02-03-2017
  • Mathematics
contestada

how do i do the quadratic formula

Respuesta :

ivanhqp
ivanhqp ivanhqp
  • 02-03-2017
Quadratic formula is

x = -b + or - sqrt b^2-4ac / 2a

Just plug in your numbers... let's say we have x^2 + 4x + 8 = 0
Plug it in.

x = -(-4) +/- sqrt (4)^2 - 4(1)(8)/2(1)
x = 4 +/- sqrt 16-32 / 2
x = 4+/- sqrt -16/2 (no real solutions)

Answer Link

Otras preguntas

from 20 take the product of 4 and 5
in terms of education, state governments are responsible for. A. creating private schools. B. establishing school districts. C. providing transportation to sch
write a division sentence that can be used to represent the following repeated subtraction. 24-8=16. 16-8=8. 8-8=0
Thomas drew a rectangle with an area of 6 square centimeters. what is the greatest possible perimeter for the rectangle ?
Can some one please explain to me how to do these three problems so that I can do the rest of my home work. THANK YOU
22=-11k help solve problem
what is the slope intercept form of 3x-2y=-16 with steps. Please explain.
which rain forest is located mostly on islands
Twenty boys signed up for the school play. The number of girls who signed up was 195% of the number of boys. At the auditions, only 26 girls attended. What perc
Someone help! you have 44 text messages in your inbox. How many messages can your cell phone hold? (and inbox is 88% full)