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Earn +20 ptsQ: Why it is improper to cancel out the x in a rational expression?
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Is a rational number is a rational expression?
Any number that can be expressed as a fraction is a rational number otherwise it is an irrational number.
How do you write a rational expression that is undefined when x equals 4 and x equals 0?
One possible expression is [ 1/(x - 4)+ 1/x ].
What is equal to the rational expression when x negative 4 or 3?
The answer is given below.
Are the any values for x for which each rational expression is undefined xoverx plus 8?
The expression X/(X+8) is undefined at X=-8, because that would be division by zero.
What is the value of the rational expression x plus 4 divided by 4 minus x?
8
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