Simplify the radical expression.
start root start-fraction 63 x superscript 15 baseline y superscript 9 baseline over 7 x y superscript 11 baseline end-fraction end root
A. Start Fraction 8 lower x superscript 7 baseline lower y superscript 4 baseline Start Root lower x lower y End Root over Start Root 7 lower x lower y superscript 11 baseline End Fraction
B. Start Fraction 3 lower x superscript 7 baseline over y End Fraction
C. Start Fraction 9 lower x superscript 7 baseline over lower y End Fraction
D. 9 lower x superscript 7 baseline lower y
A. Start Fraction 8 lower x superscript 7 baseline lower y superscript 4 baseline Start Root lower x lower y End Root over Start Root 7 lower x lower y superscript 11 baseline End Fraction
Simplify the radical expression.
Square root 5 plus 6 times square root 5
A. 5 times square root 5
B. 7 times square root 10
C. 7 times square root 5
D. 5 times square root 10
C. 7 times square root 5
Simplify the radical expression.
3 times square root 5 plus 6 times square root 45
A. 9 times square root 50
B. 21 times square root 10
C. 6 times square root 96
D. 21 times square root 5
B. 21 times square root 10
Simplify the radical expression.
The quantity 5 plus square root 3 times the quantity 5 minus square root 3
A. 16
B. 22
C. 25 plus 10 times square root 3
D. 16 plus 10 times square root 3
A. 16
What is the domain of the function?
y equals Start Root 4 x plus 8 End Root
A. x greater-than-or-equal-to negative 2
B. x less-than-or-equal-to negative 2
C. x greater than or equal to 2
D. x less than or equal to 2
A. x greater-than-or-equal-to negative 2
Simplify the radical expression by rationalizing the denominator.
start fraction start root 8 end root over start root 6 x end root end fraction
A. start fraction 2 start root 3 x end root over 3x end fraction
B. start fraction 2 start root 2 x end root over x end fraction
C. start fraction start root 6 x end root over 3x end fraction
D. start fraction 4 start root 3x end root over 3x end fraction