Question

What is 2 times the square root of 9 minus the square root of 4 expressed in simplified form?

A) 2
B) 4
C) 14
D) 16

simplify: 14 times the square root of 5 plus 9 times the square root of 5
A) square root of 33
B) square root of 28
C) 20 times the square root of 10
D) 23 times the square root of 5

what is the square root of 5 times the square root of 7 plus 2 times the square root of 35 expressed in simplified form?
A) 16 times the square root of 5
B) 35 plus 2 times the square root of 35
C) 37 times the square root of 35
D) 3 times the square root of 35

what is 7 times the square root of 3 times the square root of 5 minus 2 times the square root of 15 in simplified form
A) the square root of 105 minus 2 times the square root of 15
B) the square root of 85
C) 5 times the square root of 15
D) 9 times the square root of 15

Answer 1

1) B

2) D

3) D

4) C

Explanation:

Q1) 2*sqrt(9)-sqrt(4)=4

Q2) 14*sqrt(5)+9*sqrt(5)=51.4295634825

Q2) 23*sqrt(5)=51.4295634825

Q3) sqrt(5)*sqrt(7)+2*sqrt(35)=17.7482393493

Q3) 3*sqrt(35)=17.7482393493

Q4) 7*sqrt(3)*sqrt(5)-2*sqrt(15)=19.364916731

Q4) 5*sqrt(15)=19.364916731

Answer 2

Well I believe it's b