math

posted by .

which number cann be used in place of the variable in each rational expression
a^2-b^2/a-b

  • math -

    What you have written equals a + b, because the numerator equals (a+b)(a-b); so the a-b term cancels the denominator.

    Your question is unclear. Both a and b can be any number.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Algebra

    I just need help with the number game part. I can't think of any kinds of games to come up with?
  2. Algebra

    Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. You reached 1 for an answer, didn’t you?
  3. math

    •Post a response to the following: Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. Did you reached 1 for an answer?
  4. algebra

    Which numbers cannot be used in place of the variable in each rational expression?
  5. math

    Which numbers cannot be used in place of the variable in each rational expression. 2y+1/y^2-y-6
  6. ALGEBRA

    i NEED MORE THAN JUST THE EXAMPLE i ALSO NEED TO EXPLANATION Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. You reached 1 for …
  7. algebra

    Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. You reached 1 for an answer, didn’t you?
  8. math

    Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. Did you reach 1 for an answer?
  9. Algebra plz check

    Find all numbers for which the rational expression is undefined -12/5y. The rational expression is defined for every real number is this correct?
  10. Math help.

    1. 1 • 12 numerical expression variable expression; a is the variable variable expression; there is no variable variable expression; l is the variable 2. f ÷ 7 variable expression; there is no variable numerical expression variable …

More Similar Questions