Find the Discriminant 8x^2-2x+1=0

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Algebra

$8 x^{2} - 2 x + 1 = 0$

The discriminant of a quadratic is the expression inside the radical of the quadratic formula.

$b^{2} - 4 (a c)$

Substitute in the values of $a$ , $b$ , and $c$ .

${(- 2)}^{2} - 4 (8 \cdot 1)$

Evaluate the result to find the discriminant.

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Simplify each term.

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Raise $- 2$ to the power of $2$ .

$4 - 4 (8 \cdot 1)$

Multiply $8$ by $1$ .

$4 - 4 \cdot 8$

Multiply $- 4$ by $8$ .

$4 - 32$

Subtract $32$ from $4$ .

$- 28$

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Name

Name	one billion four hundred thirty million five hundred thirteen thousand eight hundred ninety-seven

Interesting facts

1430513897 has 4 divisors, whose sum is 1434288720
The reverse of 1430513897 is 7983150341
Previous prime number is 379

Basic properties

Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5

Name

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

Interesting facts

970819282 has 8 divisors, whose sum is 1519543296
The reverse of 970819282 is 282918079
Previous prime number is 23

Basic properties

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

Name

Name	nine hundred seventy-three million three hundred seventy-nine thousand thirty-nine

Interesting facts

973379039 has 4 divisors, whose sum is 979207824
The reverse of 973379039 is 930973379
Previous prime number is 167

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5

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