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 ( 54+ )
Otras preguntas
Which of these compounds has chemical properties most similar to the chemical properties of ethanoic acid?(1) C3H7COOH (3) C2H5COOC2H5(2) C2H5OH (4) C2H5OC2H5
According to one acid-base theory, a water molecule acts as an acid when the water molecule (1) accepts an H+ (3) donates an H+ (2) accepts an OH– (4) donates a
As a result of the gold foil experiment, it was concluded that an atom(1) contains protons, neutrons, and electrons(2) contains a small, dense nucleus(3) has po
Which nuclear emission has the greatest penetrating power? (1) alpha particle (3) gamma radiation (2) beta particle (4) positron
Compared to a proton, an electron has(1) a greater quantity of charge and the same sign(2) a greater quantity of charge and the opposite sign(3) the same quanti
An object is 30.0 cm to the left of a convex lens with a focal length of +8.0 cm. Draw a ray diagram of the setup showing the location of the image. Calculate t
What questions can you ask about Cleopatra that incorporates either leadership and legacy. Eg. What long lasting impacts did Julius Caesar's reign have on the R
Which statement shows the associative property of addition? A. If m + 3 = 18, then 18 = m + 3 B. (u + 7) + 13 = u + (7 + 13) C. 21 + 2y = 2y + 21 D. 3 · (5 · x)
how was the idea of citizenship changed throughtout histpry
What is HDI? What factors influence the HDI of a country the most?
