Question

Solve for r.

Enter the solutions from least to greatest.
-2x2 – 9 = -107
lesser I =
greater x =

Answer 1

Explanation:

`- 2 {x}^(2) - 9 = - 107 \\ - {2x}^(2) = - 98 \\ {x}^(2) = 49 \\ x = √(49) \\ x = 7 \\ { \boxed{lesser : \: - 7}} \\ { \boxed{greater : \: + 7}}`