ssusmanw ssusmanw

24-01-2017
Mathematics

contestada

let 3x^2+kx+4. determine all values of k such that the quadratic equation f(x) =0 has one real root

Respuesta :

williambusby williambusby

24-01-2017

//I'll use the discriminant rule for this.
b^2 - 4ac = 0 when one real root

Therefore, k^2 - 4*3*4= 0
k^2 = 48
k= +-4√3

Answer Link

Otras preguntas

What does the poet suggest is a better way to behave then how Helen Gray is behaving

A student performs an experiment that produces solid sodium chloride. He uses four different catalysts and lets the reaction run for two minutes, and then remov

What are some examples of roman art forms that influence modern life?

Andrew was told by his physician that he would be able to control his diabetes if he controls his diet and avoids the use of sugar in his diet. andrew was given

Which of the free-body diagrams below would represent the submarine

Aram is proficient in playing a number of instruments and can easily learn new songs and rhythms. this exemplifies ________ intelligence.

Solve the equation. -6x-12=2x-6

How many terms are in the polynomial abcd + e - h 2? two three five six

The perimeter of a standard-sized rectangular rug is 36 is 36 ft. the length is 2 ft longer than the width. find the dimensions

Which of the following is not an exAmple of an expository text?