Question

Simplify. 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2

2 square root of 8
8 square root of 2
8 square root of 6
6 square root of 8

Answer 1

@rimshaa

Answer 2

\[4+7-3=?\]

Answer 3

8

Answer 4

it is 8*sqrt2

Answer 5

if all terms have the same number under the square root, you can add them to make one term.

Answer 6

so it is b

Answer 7

that is why you can add the coefficients 4 and 7 and -3 since they all have sqrt2 beside them

Answer 8

yes

Answer 9

ok

Answer 10

Simplify. 3 square root of 5 end root minus 2 square root of 2 end root plus square root of 45 end root minus square root of 28

2 square root of 12
2 square root of 2
6 square root of 5 end root minus 4 square root of 7
6 square root of 10 end root minus 4 square root of 14

Answer 11

@rimshaa

Answer 12

its c

Answer 13

thank you @rimshaa

Answer 14

Is the simplified form of 2square root of 3 • square root of 12 rational?

Yes
No

Answer 15

ignore the question marks please

Answer 16

type it again without the question marks. you're missing part of the question

Answer 17

Is the simplified form of 2square root of 3 • square root of 12 rational?
Yes
No

Answer 18

is the simplified form of 2 square root of 3 times square root of 2 rational?

Answer 19

is that better :)@rimshaa

Answer 20

the answer is yes. for these type of questions, all you do is enter it into your calculator to see if an answer comes up. if it gives an error, it is irrational, if it gives any number, it is rational.

Answer 21

ok