1 Answer

JohnnBlade · Answer 1 · 2018-04-07T08:55:07+0000

$r = \sqrt{ L^(2) + K^(2) -C} = \sqrt{ (-4)^(2) + (3)^(2) - 21 } = √(4) = 2$

where L is negative half the coefficient of x and K is negative half the coefficient of y and c is the term free of x and y

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

No related questions found

Other Questions