258,173 views
45 votes
45 votes
Solve for j.

j2 = 100

User Ralf Haring
by
2.6k points

1 Answer

11 votes
11 votes

Answer:

j = -10 or j = 10

Explanation:

j² = 100

j² - 100 = 0

(j + 10)(j - 10) = 0

j + 10 = 0 or j - 10 = 0

j = -10 or j = 10

User Miguel Moura
by
3.0k points