Register

Hey I need help with this problem pls. Which expression is equal to 2√-28? −4√7 −4i√7 4i√7 4√7i

Hey I need help with this problem pls. Which expression is equal to 2√-28? −4√7 −4i√7 4i√7 4√7i
asked 201k views
4 votes
Hey I need help with this problem pls.

Which expression is equal to 2√-28?



−4√7

−4i√7

4i√7

4√7i

asked
User Eric Chen
by
8.2k points

1 Answer

4 votes

Explanation:

=2√-28

=2√4×7×-1

=2(2)√7×-1

=4i√7 (i=√-1)

Note:if you need to ask any question please let me know.

answered
User Hank X
by
8.1k points
← Prev Question Next Question →

Related questions

User Mark Davies
asked Apr 28, 2020 36.0k views
Which expression is equal to 2√ -28? 4i√7 −4i√7 4√7i −4√7 I found the answer it's 4i√7
Mark Davies asked Apr 28, 2020
by Mark Davies
8.7k points
1 answer
0 votes
36.0k views
User Michael Malov
asked Dec 24, 2019 134k views
Simplify. √-112 A. 4√7 B. -4i√7 C. 4i√7 D. -4√7 √ is a square root sign btw
Michael Malov asked Dec 24, 2019
by Michael Malov
9.8k points
2 answers
4 votes
134k views
Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!