1. which of the following is equal to square root (8x^9y^4
a. 3x^2y^2
b. 3x^4y^2 square root (2x
c. 9x^3y^2
d. 3x^3y^2 square root (2
2. what is the simplest form of the expression square root (2)- square root (10)/ square root (2)+square root (10)
a. -3/2+1/4 square root (10)
b. -3/2+1/2 square root (5)
c. 1-1/3 square root (5)
d. 1+1/2 square root (5)
3. what is the simplest form of the number 27^2/3
a. 3
b. 6
c. 9
d. 18