Seudónimo Seudónimo
  • 12-08-2019
  • Mathematics
contestada

What is the solution to 3x^2-2+4=0

Please explain answer. I'm taking a practice test and don't understand this.

Respuesta :

marcthemathtutor
marcthemathtutor marcthemathtutor
  • 12-08-2019

Answer:

There are no real solutions

Step-by-step explanation:

Recall that for a quadratic equation in the form:

ax² + bx + c = 0

using the quadratic formula, that the discriminant of the formula is given by the following expression

Discriminant = b² - 4ac

If b² - 4ac < 0 ----> No real roots

If b² - 4ac > 0 ----> Two real roots

If b² - 4ac = 0 ----> One real roots

In our case, a = 3, b = -2 and c = 4

b² - 4ac = (-2)² - 4(3)(3) = 4 - 36 = -32 (which is <0)

Hence there are no real roots.

Answer Link

Otras preguntas

A 9.0 volt battery is connected to four resistors in a parallel circuit. The resistors have 7.0 Ω, 5.0 Ω, 4.0 Ω, and 2.0 Ω respectively. What is the total curre
what does 'chop and change' mean?
What is the Rosetta Stone?
Electrons surround the nucleus of an atom and those that are in the outer energy levels are _____.less attracted to the nucleusmore attracted to the nucleusnot
how will you describe the pathway of the oxygen n the breathing system?
what does 'chop and change' mean?
Electrons surround the nucleus of an atom and those that are in the outer energy levels are _____.less attracted to the nucleusmore attracted to the nucleusnot
Divide.(10a^4-5a^3) / 5a
The smallest and the largest whole numbers that round to 70 when rounded to the nearest ten. What are the numbers....
Divide.(10a^4-5a^3) / 5a