Question

X²+x+7=0

O a
The discriminant is -29.
Because the discriminant is less than 0, the two roots are complex.
The discriminant is 1.
Because the discriminant is greater than 0 and is a perfect square, the two roots are real and rational.
Oc
The discriminant is -27.
Because the discriminant is less than 0, the two roots are complex.
The discriminant is 27.
Because the discriminant is greater than 0 and is a perfect square, the two roots are real and rational.
Ob
Od

Answer 1

See below ~

Explanation:

Finding the discriminant

• √b² - 4ac
• √(1)² - 4(1)(7)
• √-27

⇒ The discriminant is -27.

⇒ Because the discriminant is less than 0, the two roots are complex.