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 nine hundred thirty-seven million nine hundred sixty-eight thousand five hundred seventy-seven

Interesting facts

  • 937968577 has 16 divisors, whose sum is 1171660672
  • The reverse of 937968577 is 775869739
  • Previous prime number is 67

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 61
  • Digital Root 7

Name

Name four hundred eighty-five million five hundred thirty thousand nine hundred fifty-seven

Interesting facts

  • 485530957 has 8 divisors, whose sum is 495141696
  • The reverse of 485530957 is 759035584
  • Previous prime number is 73

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 46
  • Digital Root 1

Name

Name nine hundred two million eight hundred one thousand one hundred sixty-two

Interesting facts

  • 902801162 has 4 divisors, whose sum is 1354201746
  • The reverse of 902801162 is 261108209
  • Previous prime number is 2

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 9
  • Sum of Digits 29
  • Digital Root 2