What is \sqrt-16 + \sqrt49 written as a complex number in the form a + bi? A. 7 - 4i B. 4 + 7i C. 7 + 4i D. -4 + 7i

asked Apr 13, 2021 48.7k views

0 votes

What is
$\sqrt-16 + \sqrt49$ written as a complex number in the form
a + bi

?

A. 7 - 4i
B. 4 + 7i
C. 7 + 4i
D. -4 + 7i

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2 votes

Answer:

7+4i

Explanation:

Jamie Curtis answered Apr 14, 2021

5.7k points

3 votes

Answer: C. 7+4i

Explanation:

Just did the math.... square root of -16= 4i+ equate root of 49=7.

So...the answer is 7+4i

Ghassan Elias answered Apr 17, 2021

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