Question

You work for a manufacturing company on a production line that manufactures cell phones. You are paid $20 a day plus $1.50 for each phone that you assemble. Interpret the slope and y
-intercept of the equation of the trend line y=1.50x+20

options:


The slope means that, for every 1.50 phones assembled, you receive $1. The y-intercept means that you receive $20 a day regardless of the number of phones produced.

The slope means that, for every 20 phones assembled, you receive $1.50. The y -intercept means that you receive $20 a day regardless of the number of phones produced.

The slope means that, for every phone assembled, you receive $20. The y -intercept means that you receive $1.50 a day regardless of the number of phones produced.

The y -intercept means that you receive $20 a day regardless of the number of phones produced.
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Answer 1

The correct interpretation of the slope and y-intercept in the equation \( y = 1.50x + 20 \) is:

- The **slope (1.50)** means that for every phone assembled (not 1.50 phones), you receive an additional $1.50. This indicates how much your daily earnings increase with each additional phone produced.
- The **y-intercept (20)** means that you receive $20 a day regardless of the number of phones produced. This is your base pay for the day.

So, the best interpretation from the options given is:

**The y-intercept means that you receive $20 a day regardless of the number of phones produced.**

(Note: The other options contain incorrect interpretations of the slope and y-intercept.)