An english instructor asserted that students' test grades are directly proportional to the amount of time spent studying. lisa studies 9 hr for a particular test and gets a score of 72. at this rate, how many hours would she have had to study to get a score of 96?

12 hours.

Step-by-step explanation:

1. The direct proportion has the following form:

Where k is the constant of proportionality.

2. Let's call the student's test grade and  the amount of time spent studying , then if Lisa studies 9 hr for a particular test and gets a score of 72, you can find k:

3. Then, the amount of time she have had to study to get a score of 96 is:

don't give

take it once

try and try and you will not

happy to

pls mark as brainliest

(0,,,0)

step-by-step explanation:

the table of x and y values is shown in the attached pic(part of question)

we have to decide according that graph

given points are (0, 0) (–1, 0), (2, 0)

when we graph these points on graph they show an increasing line as shown in the attached pic