SOLUTION: List all numbers for which the rational expression is undefined.
x^2-9 / x^2+3x-18
A. -3, 6
B. -6, 3
C. -3, 3
D. 0
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Question 303237: List all numbers for which the rational expression is undefined.
x^2-9 / x^2+3x-18
A. -3, 6
B. -6, 3
C. -3, 3
D. 0
Found 2 solutions by london maths tutor, Fombitz:
Answer by london maths tutor(243) (Show Source): You can put this solution on YOUR website!
=
Answer B -6, 3
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Simplify first.
The expression is undefined when the denominator equals zero.
.
.
.
The correct answer is not available as a choice.
.
.
.
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