Ms. Rhodes gave 9 of the 36 students that are in her class a passing grade. Which value is equivalent to the fraction of students that received a passing grade?
A. .025
B. 25%
C. 9%
D. .75

d

step-by-step explanation:

d

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11