Question

-5 / (16 - x^2) divided by 10 / (x - 4)

Answer 1

To divide by a fraction, multiply by the reciprocal.

Answer 2

\[
\div \frac ab\to \times \frac ba
\]

Answer 3

Yes, thank you...i worked the problem out and got 1 / 2 (x + 4)... is that correct...i am trying to see if i am getting the hang of these problems:)

Answer 4

Where did the negative go?

Answer 5

The fully simplified answer is \[
-\frac 1 {2x+8}
\]

Answer 6

so to fully simplify i need to distribute so no parenthesis are left

Answer 7

Yes.

Answer 8

ok thank you...don't you need to multiply by -1 in order to rearrange the 16 - x^2

Answer 9

Oh, I see. Okay that makes sense.

Answer 10

so the answer is 1 / 2x + 8

Answer 11

Yeah that is fine.

Answer 12

ok thank you

Answer 13

would you mind another question?

Answer 14

Sure