Answered

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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

Sagot :

Answer:

See below ~

Step-by-step 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.

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