Quadratic Formula (discriminant) - Academy

Find the discriminant
 $-5x^2+3x-4=0$  

• -71

• -220

• -71

• 89

Find the discriminant
 $-4x^2+4x+3=0$  

• 64

• -64

• 240

• 73

Tell how many solutions by finding the discriminant
 $-2x^2-8x-8=0$  

• one imaginary solution

• two imaginary solutions

• one real solution

• two real solutions

Find the discriminant
 $7x^2+10x+3=0$  

• 16

• 184

• -271

• -16

Find the discriminant
 $4x^2+10x=0$  

• -40

• 40

• -100

• 100

Find the discriminant

 $-8x^2+10x=3$  

• 76

• 196

• -4

• 4

Find the discriminant
 $-8x^2-7x=10$  

• 311

• -311

• 148

• 409