alwaysneedhelpinmath alwaysneedhelpinmath
  • 03-03-2018
  • Mathematics
contestada

Look at the rational expression below. x^2-4/2-x Which value of x makes the expression undefined?

Respuesta :

laura7laura23
laura7laura23 laura7laura23
  • 03-03-2018
the answer would 2, since you cannot divide anything by 0 as it would be undefined. 2 is the only number that gives you this option 
Answer Link
SociometricStar
SociometricStar SociometricStar
  • 29-06-2019

Answer:

given rational function is undefined for x = 2

Step-by-step explanation:

The given rational function is

[tex]\frac{x^2-4}{2-x}[/tex]

The rational function is undefined if the denominator is zero.

Hence, the given rational function is undefined if

[tex]2-x=0[/tex]

Solve the equation for x

[tex]x=2[/tex]

Therefore, the given rational function is undefined for x = 2

Answer Link

Otras preguntas

Solve for x in the following system 6x + 6y = -2 y = -x
Find the prime factorization of each number 58. 212 2800. 900
Who commissioned them to explore? Or were they self-funded?
According to Boyle's Law, if the pressure on a gas increases, the volume _____. A. increases B. decreases C. stays the same D. increases, then decreases
Why is phosphorus important to living organisms?
Read 2/3 pages in an hour how long would it take to read 20 pages
What were “black codes”? A. laws that made life easier for former slaves in the South B. laws that made life easier for former slaves in the North C.laws that
Which statement best describes a Bronsted-Lowry base?
the chiefs of the sahel grew rich from___
a jumbo playing card has an area of 64 square inches and a perimeter of 32 inches.what are the dimensions of the playing card