Question

Zoe just lit a new candle and then let it burn all the way down to nothing. The length

of the candle remaining unburned, in inches, can be modeled by the equation
L = 9 – 0.5t, where t represents the number of hours since the candle was lit.
What is the y-intercept of the equation and what is its interpretation in the context of
the problem?

Answer 1

9 which represents the the original length of the new candle

Explanation:

Since there were 9 inches of candle remaining after 0 hours of burning, that means 9 represents the initial length of the candle, in inches.