What is the sum of StartRoot negative 2 EndRoot and StartRoot negative 18 EndRoot? 4 StartRoot 2 EndRoot 4 StartRoot 2 EndRoot i
5 StartRoot 2 EndRoot 5 StartRoot 2 EndRoot i
2 answers:
Answer:
4 StartRoot 2 EndRoot i
Step-by-step explanation:
which means the answer is b
Adding
we get 
Option C 4 StartRoot 2 EndRoot i is correct.
Step-by-step explanation:
We need to find the sum of: 
Finding sum:

can be written as 
can be written as 
We know 18 = 2x3x3 = 2x3^2 so,


Adding like terms:

So, adding
we get 
Option C 4 StartRoot 2 EndRoot i is correct.
Keywords: Square root expressions
Learn more about Square root expressions at:
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