1. Math
2. Precalculus

###### Question details

9x2 + 3x = 0

x =

x2 + 11x = 28

x =

13) Solve the equation by extracting the square roots. When a solution is irrational, list both the exact solution and its approximation rounded to two decimal places.

2x2 = 36

 x =
 ≈ (smaller value) x =
 ≈ (larger value)

14) Solve the equation by extracting the square roots. When a solution is irrational, list both the exact solution and its approximation rounded to two decimal places.

(x − 2)2 = 36

 x =
 ≈ (smaller value) x =
 ≈ (larger value)