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anonymous
 one year ago
For what value of x is the rational expression below undefined?
2x+4/x7
A. 2
B. 2
C. 7
D. 7
anonymous
 one year ago
For what value of x is the rational expression below undefined? 2x+4/x7 A. 2 B. 2 C. 7 D. 7

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kc_kennylau
 one year ago
Best ResponseYou've already chosen the best response.0\[\Large f(x)=\frac{2x+4}{x7}\]

kc_kennylau
 one year ago
Best ResponseYou've already chosen the best response.0So, we can't divide by zero, right?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0its undefined so that s what got to me

kc_kennylau
 one year ago
Best ResponseYou've already chosen the best response.0What value of \(\Large x\) would cause this problem?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so would i just plus it all in?

kc_kennylau
 one year ago
Best ResponseYou've already chosen the best response.0Well that's one way of solving the puzzle, you can do that

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1what values of x makes the fraction undefined?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0but how would i know which one is undefined?

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1waitttt! look at the denominator first

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1focus on that denominator just that denominator

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1we have x 7 right ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0wouldn't it have to be positive to be a undefined?

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1whoa... x  7 what value of x makes it 0? it's like x7 = 0 solve for x

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1yeah it has to be positive to be undefined

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.1if you have a fraction like 1/0 that's undefined...we can't divide by 0

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i got it well i understand it haha
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