Find the Discriminant -7x^2+8x+2

Find the Discriminant -7x^2+8x+2
The discriminant of a quadratic is the expression inside the radical of the quadratic formula.
Substitute in the values of , , and .
Evaluate the result to find the discriminant.
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Simplify each term.
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Raise to the power of .
Multiply by .
Multiply by .
Add and .
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Name

Name eighty-eight million nine hundred sixteen thousand two hundred seventy-nine

Interesting facts

  • 88916279 has 4 divisors, whose sum is 89074776
  • The reverse of 88916279 is 97261988
  • Previous prime number is 563

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 8
  • Sum of Digits 50
  • Digital Root 5

Name

Name one billion two hundred three million two hundred sixteen thousand seven hundred twenty-nine

Interesting facts

  • 1203216729 has 16 divisors, whose sum is 1348513920
  • The reverse of 1203216729 is 9276123021
  • Previous prime number is 701

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 33
  • Digital Root 6

Name

Name one billion two hundred forty-eight million nine hundred fifty-three thousand six hundred fifteen

Interesting facts

  • 1248953615 has 8 divisors, whose sum is 1449335712
  • The reverse of 1248953615 is 5163598421
  • Previous prime number is 7

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 44
  • Digital Root 8