Find the absolute value of the complex number $- 4 + 6 i$.
A) $\sqrt { 10 }$
B) $3 \sqrt { 10 }$
C) 52
D) $5 \sqrt { 13 }$
E) $2 \sqrt { 13 }$

Name: Find the absolute value of the complex number $- 4 + 6 i$. A) $\sqrt { 10 }$ B) $3 \sqrt { 10 }$ C) 52 D) $5 \sqrt { 13 }$ E) $2 \sqrt { 13 }$
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Question

Quizplus · Accepted Answer

The absolute value of a complex number $a + bi$ is given by $\sqrt{a^2 + b^2}$. For $-4 + 6i$, it is $\sqrt{(-4)^2 + (6)^2} = \sqrt{16 + 36} = \sqrt{52} = 2\sqrt{13}$.

Find the Absolute Value of the Complex Number −4+6i- 4 + 6 i−4+6i

Find the Absolute Value of the Complex Number $- 4 + 6 i$