SOLUTION: Can someone please help a grandma in school? Bless your heart.
Find all real numbers for which each rational expression is undefined:
17
_________
Algebra ->
Polynomials-and-rational-expressions
-> SOLUTION: Can someone please help a grandma in school? Bless your heart.
Find all real numbers for which each rational expression is undefined:
17
_________
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You can put this solution on YOUR website! Find all real numbers for which each rational expression is undefined:
17
_________
6x - 30
:
An expression is undefined, when there is division by 0; (denominator = 0)
therefore
6x - 30 = 0
add 30 to both sides
6x = 30
divide both sides by 6
x = 30/6
x = 5
:
6(5) - 30 = 0
When x = 5, the expression is undefined
