Mathematics, 27.08.2020 18:01 davidb1113

A jeweler is heating a gold bar. It takes 7 joules of heat to raise the temperature of the bar 1º C. The initial temperature of the bar is 25ºC. What is the y-intercept? What does it mean?

The y-intercept is 1ºC. This means we started at 1ºC.
The y-intercept is 1ºC. This means we started at 1ºC.

The y-intercept is 17. This means that one degree of temperature increase as 7 joules of heat was applied.
The y-intercept is 1 seventh. This means that one degree of temperature increase as 7 joules of heat was applied.

The y-intercept is 7 joules of heat. This means that the initial value of heat applied was 7 joules.
The y-intercept is 7 joules of heat. This means that the initial value of heat applied was 7 joules.

The y-intercept is 25ºC. This means that the beginning temperature of the gold bar was at 25ºC.

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A jeweler is heating a gold bar. It takes 7 joules of heat to raise the temperature of the bar 1º C....

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