nshikbj nshikbj
  • 25-11-2020
  • Mathematics
contestada

solve the quadratic equation 3x²+x-4=0

Respuesta :

xenia168
xenia168 xenia168
  • 25-11-2020

Answer:

{ - [tex]\frac{4}{3}[/tex] , 1 }

Step-by-step explanation:

3x² + x - 4 = 0

D = 1² - 4(3)(- 4) = 49 = 7²

[tex]x_{1}[/tex] = ( - 1 + 7) ÷ 2(3) = 1

[tex]x_{2}[/tex] = ( - 1 - 7) ÷ 2(3) = - [tex]\frac{4}{3}[/tex]

{ - [tex]\frac{4}{3}[/tex] , 1 }

Answer Link

Otras preguntas

What is the next term in the sequence below? 1, 3, 5, 8, 11, 15, 19, 24, ... a.30 b.27 c.29 d.25
Out of the 40 students in the 7th grade 60% of the students carry cell phones. What fraction of the students carry a cell phone?
If BC = 4 and CD = 27, find AC.
How is an appeals court different then a traditional federal court?a. There are three justices in an appeals court.b. There are no options after the appeals cou
1. Which is an example of an algebraic expression? 4(3 + 8)1823 – a21 • 42. Which is an algebraic expression for 5 more than z? 5zz + 55z + 55 – z3. Which w
What is the solution of the system of equations c+3d=8 and c=4d-6? Show work plz.
You start with a number. Double it. Square the answer. You get 400. What number did you start with?
What does a plant let out during photosynthesis?
What is 8.61 to the nearest tenth?
what's a 7 word for mislead or cheat