Solve this formula for C check all answers that are true F=9/5C+32

Responses:
First step is to multiply by 9 on each side
First step is to add 32 to both sides
The next step from F-32=9/5C, could be to multiply both sides by 5
The next step from F-32=9/5C, could be to divide both sides by 5
Solution: 9/5F-32=C
To solve this equation for C, you would have to distribute at some point.

1 answer

Let's solve the equation \( F = \frac{9}{5}C + 32 \) for \( C \) and evaluate each of the responses.

  1. First step is to multiply by 9 on each side: False. The first step does not involve multiplying by 9; we typically want to isolate \( C \).

  2. First step is to add 32 to both sides: False. The goal is often to move 32 to the other side of the equation. Instead, we would subtract 32 from both sides.

  3. The next step from \( F - 32 = \frac{9}{5}C \), could be to multiply both sides by 5: True. From \( F - 32 = \frac{9}{5}C \), you could multiply both sides by 5 to eliminate the fraction.

  4. The next step from \( F - 32 = \frac{9}{5}C \), could be to divide both sides by 5: False. Dividing both sides would not help to isolate \( C \) effectively here. Instead, we usually want to multiply both sides.

  5. Solution: \( \frac{9}{5}F - 32 = C \): False. This is incorrect. The proper solution should give \( C\) in terms of \( F\) as \( C = \frac{5}{9}(F - 32) \).

  6. To solve this equation for C, you would have to distribute at some point: True. When you have \( C = \frac{5}{9}(F - 32) \), you would distribute \( \frac{5}{9} \) if needed, but in this case, it may be expressed without distribution.

In summary, the true statements are:

  • The next step from \( F - 32 = \frac{9}{5}C \), could be to multiply both sides by 5.
  • To solve this equation for C, you would have to distribute at some point.