Seudónimo
Seudónimo
02-04-2015
Mathematics
contestada
4x squared + 7x +2=0 use quadratic formula
Respuesta :
Panoyin
Panoyin
02-04-2015
4x² + 7x + 2 = 0
x =
-7 +/- √(7² - 4(4)(2))
2(4)
x =
-7 +/- √(49 - 32)
8
x =
-7 +/- √(17)
8
x =
-7 +/- 4.123
8
x =
-7 + 4.123
x =
-7 - 4.123
8 8
x =
-2.877
x =
-11.123
8 8
x = -0.359625 x = -1.390375
Answer Link
VER TODAS LAS RESPUESTAS ( 15+ )
Otras preguntas
Write equation in function form 2x+2y=8 and 6x-3y=12
placing 12 tiles side by side, Pete can make a 12-by-1 rectangle. Name two other rectangles Pete can make with 12 tiles
Write y= 3/4x + 1/2 in standard form. Thanks in advance. Also, could you please briefly explain how you did it, because these questions confuse me. Thank you. A
What is square root of 126 + square root of 56 in standard form
A box is lowered using a rope. If the acceleration of the box, is 2.5 m/s2 (downward) and the tension in the rope is 31 N, what is the mass of the box (in kg)?
how to Express each decimal as a fraction or a mixed number in a simplest form ? I need help with -0.14
WRITE THIS NUMBER IN WORD FORM 310,763,136 AND100,203
write the number in two other forms
A crime suspect fled the scene when police officers entered the building. How far could he run in 10 minutes if he can run 5 miles per hour?
which property you used.64+58= +64
