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What is the Value of the rational expression below when X is equal to 3?
15-x over 9-x (15-x/9-x)

A) 3 over 2 (3/2)
B) 5 over 3 (5/3)
C) -2
D) 2

Respuesta :

Maplebunny
First, you would have to plug 3 into the equation
15-(3)/9-(3)
Then do the math
12/6
This can be simplified, since 12 and 6 are divisible by 6, which is their greatest common factor
2/1
So the answer is D. 2

Hope this helps!

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