How do you evaluate $sqrt(b^2-4ac)$ for a=1, b=12, c=11?

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Answer 1 · 2017-06-11T03:22:47

$10$

Substitute each value and evaluate:

$sqrt((12)^2-4(1)(11))$

$sqrt(144-44)$

$sqrt100$

Take the square root

$sqrt100=10$

Answer 2 · 2017-06-11T03:28:41

$sqrt(12^2-4*1*11)=10$

Given.

$sqrt(b^2-4ac)$

Evaluate for $a=1$ , $b=12$ , and $c=11$ .

Insert the values for $a,b,and c$ into the expression.

$sqrt(12^2-4*1*11)$

Simplify.

$sqrt(144-44)$

Simplify.

$sqrt(100)$

Simplify.

$10$

How do you evaluate sqrt(b^2-4ac)sqrt(b^2-4ac) for a=1, b=12, c=11?