Question

What is the absolute value of 2 - 9i ? Help me out

Answer 1

C. Would be the correct answer i believe. Hope this helps!

Answer 2

$\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}$

Actually Welcome to the Concept of the Absolute value.

so we get as,

let, y = 2 - 9i

so the absolute value is |y|

$|y| = \sqrt{ {2}^{2} + {9}^{2} }$

so we get as,

|y| =

$\sqrt{81 + 4} = \sqrt{85}$

so the absolute value is

$\sqrt{85}$