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myrzilka [38]
3 years ago
11

Which system of equations can be used to find the roots of the equation 12 x 3-5x=2 x 2+x+6

Mathematics
2 answers:
kirill [66]3 years ago
8 0

Answer:

Option (a) is correct.

The system of equation becomes

y=12x^3-5x\\\\ y=2x^2+x+6

Step-by-step explanation:

Given : Equation  12x^3-5x=2x^2+x+6

We have to construct a  system of equations that  can be used to find the roots of the equation 12x^3-5x=2x^2+x+6

Consider the given equation 12x^3-5x=2x^2+x+6

To construct a system of equation put both sides of the given equation equal to a same variable.

Let the variable be "y", Then the equation 12x^3-5x=2x^2+x+6

becomes,

12x^3-5x=y=2x^2+x+6

Thus, The system of equation becomes

y=12x^3-5x\\\\ y=2x^2+x+6

Option (a) is correct.

   

3241004551 [841]3 years ago
7 0

The system of equations are \boxed{y = 12{x^3} - 5x}{\text{ and }}\boxed{y = 2{x^2} + x + 6} that can be used to find the roots of the equation 12{x^3} - 5x = 2{x^2} + x + 6. Option (a) is correct.

Further explanation:

Given:

The equation is 12{x^3} - 5x = 2{x^2} + x + 6.

The options are as follows,

(a). y = 12{x^3} - 5x{\text{ and }}y = 2{x^2} + x + 6

(b). y = 12{x^3} - 5x + 6{\text{ and }}y = 2{x^2} + x

(c). y = 12{x^3} + 2{x^2} - 4x{\text{ and }}y = 6

(d). y = 12{x^3} + 2{x^2} - 4x + 6{\text{ and }}y = 0

Explanation:

The given equation is 12{x^3} - 5x = 2{x^2} + x + 6.

Consider the left hand side of the equation 12{x^3} - 5x = 2{x^2} + x + 6 as y and the right hand side of the equation 12{x^3} - 5x = 2{x^2} + x + 6 as y.

\begin{aligned}y&= 12{x^3} - 5x\\y &= 2{x^2} + x + 6 \\ \end{aligned}

The equation matches with option (a). Hence, option (a) is correct.

The system of equations are \boxed{y = 12{x^3} - 5x}{\text{ and }}\boxed{y = 2{x^2} + x + 6} that can be used to find the roots of the equation 12{x^3} - 5x = 2{x^2} + x + 6. Option (a) is correct.

Learn more:

  1. Learn more about inverse of the functionhttps://brainly.com/question/1632445.
  2. Learn more about equation of circle brainly.com/question/1506955.
  3. Learn more about range and domain of the function brainly.com/question/3412497

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Polynomials

Keywords: polynomial, solution, linear equation, quadratic equation, system of equations, solution of the equations.

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