Question

DIRECTIONS: Use this information to answer Parts A and B.

The graph shows the linear relationship between the number of hours a candle burns and the weight in ounces of the candle.

Part A
What is the initial value in this situation?


Part B
What does the initial value represent?

A. how long the candle took to burn completely

B. the candle's final weight

C. the initial time that the candle started to burn

D.the candle's initial weight

Answer 1

The initial weight of the candle is 8 oz.

D.the candle's initial weight

Explanation:

• the weight is 8 oz when time is 0, initial = 0 s

• the initial value represents the candles initial weight before burning it.

To find rate of change:

`\sf (change \ in \ weight)/( time \ taken)`

take two points: (0,8),(5,7)

rate:

`\rightarrow \sf (y1-y)/(x1-x)`

`\hookrightarrow\sf \sf (7-8)/(5-0)`

`\hookrightarrow\sf-(1)/(5)`

`\hookrightarrow\sf -0.2` is the rate of change.