The correct answer for 1×10 in decimals is 0.1
The quadratic formula is .
From the problem, a is 1, b is -1, and c is 12. Plugging in these values gives:
Because there is a square root of a negative number, there is no solution.
1) 4
2) 16
3) 16
4) 6
5)12
6) 4