Question

Guided Practice

Carlos believes that the grade he receives on his math test is directly related to the amount of hours he spends studying. The equation y=12x+50y equals 12 x plus 50 represents the percentage grade he thinks he will earn, where y is the percentage grade and x is the number of hours that he spends studying. What does the y-intercept in his equation represent?


A.
For each hour Carlos spends studying, his grade will improve by 12%.


B.
Carlos will spend 50 hours studying for his math test.


C.
If Carlos doesn’t study at all, his grade will be 50%.

Answer 1

C.

If Carlos doesn’t study at all, his grade will be 50%.

Explanation:

If Carlos doesn’t study at all, his grade will be 50%.

Check Answer

Correct. If Carlos spends 0 hours studying, his grade will be 50%.