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3241004551 [841]
2 years ago
15

Question 9 of 10

Mathematics
2 answers:
MariettaO [177]2 years ago
8 0
D is the correct answer
Lunna [17]2 years ago
4 0

Answer:

D.

Step-by-step explanation:

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If x=0 and x=3 then 3 divided by 2x to the second power minus 2 divided by x to the second power minus 3x
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Answer: undefined in both cases.


Explanation:

1) Expression to evaluate:

\frac{3}{2x^2} - \frac{2}{x^2-3x}

2) You are asked to evaluate that expression for two different cases, x = 0 and x = 3.

3) First case: x = 0

The expression cannot be evaluated at x = 0, because the denominators (both  denominators) equal 0, and the division by 0 is not defined.

So, the answer is undefined.

4) Second case, x = 3

When you replace x = 3 you get:

\frac{3}{2x^2} - \frac{2}{x^2-3x} = \frac{3}{2(3^2)} - \frac{2}{3^2-3(3)} = \frac{3}{18} - \frac{2}{9-9}

Again, this result in a division by 0, so you conclude that it is undefined too.

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