A freezer is set to maintain a temperature of -12 deg C. Due to a malfunction, the temperature increases by 9 deg C. What is the new temperature inside the freezer?

Answer as guest — Start Free Practice Test to earn Practice PointsHow to earn pointsAsk a question+3Answer a question+1Someone answers yours+1Your Q gets upvoted+1Pioneer bonus (first 5)+5, ask questions & climb the leaderboard!

A -1 deg C
B -2 deg C
C -3 deg C
D 9 deg C

Show answer and explanation

Answer: C. -3 deg C

Rising by 9 degrees means adding 9: -12 + 9 = -3. Think of a number line: start at -12 and move 9 steps right, which stops at -3, still below zero.

Answering after opening this box earns no Practice Points.

7 answered 86% got it right

Rules for asking and answering

A freezer is set to maintain a temperature of -12 deg C. Due to a malfunction, the temperature increases by 9 deg C. What is the new temperature inside the freezer?

More questions like this