anonymous
  • anonymous
for what values of the variable is each rational expression undefined? please show work k-3 ---- 3-k
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
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saifoo.khan
  • saifoo.khan
the answer is 3. the basic thing is, we have to make the denominator equals to zero.
anonymous
  • anonymous
how did you get 3?

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More answers

saifoo.khan
  • saifoo.khan
set the denominator equals to zero. 3 - k = 0 -k = -3 k = 3
anonymous
  • anonymous
can i give you another problem?
saifoo.khan
  • saifoo.khan
Sure. throw it. :D
anonymous
  • anonymous
|dw:1332900763816:dw|
saifoo.khan
  • saifoo.khan
we have to simply it right?
anonymous
  • anonymous
for what values of the variable is each rational expression undefined?
saifoo.khan
  • saifoo.khan
set the denominator equals to zero. (a-3)(a+4) = 0 a = 3 and a = -4
anonymous
  • anonymous
|dw:1332901182447:dw|
anonymous
  • anonymous
what about this one?
anonymous
  • anonymous
it looks different
anonymous
  • anonymous
just tell me how to start it out
saifoo.khan
  • saifoo.khan
2c - 10 = 0 Solve for c.
anonymous
  • anonymous
5, is that the final answer?
saifoo.khan
  • saifoo.khan
Yes.
anonymous
  • anonymous
thankyou, why did we giet two answers for the last one?
saifoo.khan
  • saifoo.khan
coz it was kinda quadratic.
anonymous
  • anonymous
will we have two answers for this one? 3/y(y^2-5y+6)
saifoo.khan
  • saifoo.khan
Yes.
anonymous
  • anonymous
how do we do it?
saifoo.khan
  • saifoo.khan
it will infact have 3.
saifoo.khan
  • saifoo.khan
y(y^2-5y+6) = 0 y = 0 and (y^2-5y+6) = 0
anonymous
  • anonymous
?
saifoo.khan
  • saifoo.khan
?
anonymous
  • anonymous
i didn't understand the last work you sent

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