Question 1 of 5Simplify
Select the Correct Answer Below: Correct! Not Correct!
A
$$\frac{-3\sqrt{5}-10}{15}$$
B
$$\frac{-2\sqrt{10}-5}{15}$$
C
$$\frac{-6\sqrt{5}-10}{5}$$
D
$$\frac{-6\sqrt{10}-20}{5}$$
E
$$\frac{2\sqrt{5}-10}{15}$$
Question 2 of 5Simplify
Select the Correct Answer Below: Correct! Not Correct!
A
$$\frac{-10+8\sqrt{5}}{55}$$
B
$$\frac{-2+5\sqrt{5}}{11}$$
C
$$\frac{4\sqrt{10}}{11}$$
D
$$\frac{\sqrt{5}}{55}$$
E
$$\frac{-10+2\sqrt{10}}{5}$$
Question 3 of 5Simplify
Select the Correct Answer Below: Correct! Not Correct!
A
$$\frac{3+\sqrt{15}}{5}$$
B
$$180$$
C
$$\frac{1+\sqrt{3}}{3}$$
D
$$\frac{1+\sqrt{30}}{3}$$
E
$$\frac{-3+3\sqrt{3}}{2}$$
Question 4 of 5Simplify
Select the Correct Answer Below: Correct! Not Correct!
A
$$\frac{1-2x\sqrt{14x}}{1-x^3}$$
B
$$\frac{8x-\sqrt{6}}{4-x^2}$$
C
$$\frac{-18 - 24\sqrt{7x}}{9 - 112x}$$
D
$$\frac{3x\sqrt{11}- \sqrt{77}}{1-x^2}$$
E
$$\frac{84-x^2}{7-7x}$$
Question 5 of 5Simplify
Select the Correct Answer Below: Correct! Not Correct!
A
$$\frac{12\sqrt{x}-3\sqrt{5}}{-5x}$$
B
$$3x + \sqrt{2}$$
C
$$\frac{15\sqrt{5x}-\sqrt{5}}{-3+5x}$$
D
$$\frac{54x\sqrt{3x}+ 30\sqrt{30x}}{81x^{2}- 250}$$
E
$$\frac{2\sqrt{5x}-2x\sqrt{15}}{-3x}$$

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