Digital SAT Mathematics - Calculator Section

Modulus of a Complex Number

Easy Additional Math Topics Complex Numbers

Consider the complex number represented by the equation:

$$ z = 3 + 4i $$

Where $i$ denotes the imaginary unit. What is the modulus of the complex number $z$?

$$5$$

$$7$$

$$12$$

$$4$$

Submitted1.7K

Correct1.0K

% Correct59%