If I have an 84% in one my classes and quizzes are 20% of my grade, how would quiz scores affect my grade? (from 100% to 0%)

16.8% increase in percentage

Step-by-step explanation:

0.20*84

16.8%

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c