Use the discriminant to determine the number and nature of the solutions the equation. Do not solve the equation. 2x 2 + 32x + 128 = 0 Solve the...

Use the discriminant to determine the number and nature of the solutions the equation. Do not solve the equation. 

2x2  +  32x + 128 = 0 

Solve the equation using the quadratic formula. Type an exact answer, using radicals if needed. There can be two answers. 

x2  + 6x - 2 = 0 

Use the discriminant to determine the number and of the solutions of the algebraic equation. Do not solve the equation. 

9x2  - 2x - 6 = 0

The discriminant is equal to? 

Solve using the square root property. 

x2 - 9 = 0 

x = ?