Solve (algebraically by any method) 3x to the 2 power +8x - 4= 0

Question

19-02-2015
Mathematics

contestada

Solve (algebraically by any method) 3x to the 2 power +8x - 4= 0

Respuesta :

Otras preguntas

The figure below shows two blocks connected by a string of negligible mass passing over a frictionless pulley. m1 = 7.0 kg and θ = 12.0°. Assume that the in

A gym sells memberships for $325. to determine the amount of money made on memberships, the gym can use the equation, t=325m, where t represents the total amoun

Two standard number cubes (i.e., dice) each with faces numbered 1-6 are rolled. What is the probability that the product of the numbers on the top faces will be

Under typical conditions 0.5 feet of snow will melt 2 inches of water, to how many inches of water will 5.5 ft of snow melt ?

help meh plz Compute. 32 · 43 A) 288 B) 576 C) 756 D) 1152

What is one reason that a cell needs to regulate flow across the membrane?

You cannot catch a communicable disease by sharing a drink with someone. a. true b. false

How does the fifth amendment protect me if i am put on trial??

What is 10% of 70m awnser?

Panoyin Panoyin · Answer 1 · 2015-02-19T00:51:36+01:00

Panoyin Panoyin

19-02-2015

3 x^{2} + 8x +(-4) = 0
x = -b + √ b² - 4ac
   2a
x = -8 + √ 8² - 4(3)(-4)
   2(3)
x = -8 + √64 - 48
   6
x = -8 + √16
   6
x = -8 + 4    x = -8 - 4
   6          6
x = -4 x = -12
      6         6
x = -2 x = -2
    3

Answer Link