NYS Grade 8 Practice Test 14

10 free NYS Grade 8 practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

NYS Grade 8 Practice Test 14Tutor mode

Question 1 of 10

Statistics and Probability

Teodora recorded her phone's battery level during several hours of use and found the line of fit $y = - 6.5 x + 98$ , where $x$ is the number of hours of use and $y$ is the battery level as a percent. What does $- 6.5$ represent in this model?