Question 1 of 5Solve each Equation
$$5x^2=250$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=\sqrt{2},-\sqrt{2}$$
B
$$x=25,-25$$
C
$$x=5,25$$
D
$$x=5\sqrt{2},-5\sqrt{2}$$
E
$$x=\frac{\sqrt{5}}{25},-\frac{\sqrt{5}}{25}$$
Question 2 of 5Solve each Equation
$$6x^2=150$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=5,-5$$
B
$$x=15,-3$$
C
$$x=9,-7$$
D
$$x=\sqrt{5},-\sqrt{5}$$
E
$$x=\frac{\sqrt{5}}{15},-\frac{\sqrt{5}}{15}$$
Question 3 of 5Solve each Equation
$$100x^2-10=54$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=\frac{4}{5},-\frac{4}{5}$$
B
$$x=\frac{6}{5},-\frac{9}{5}$$
C
$$x=\frac{\sqrt{2}}{5},-\frac{9}{5}$$
D
$$x=3,7$$
E
$$x=9,-4$$
Question 4 of 5Solve each Equation
$$8x^2-7=121$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=16,-3$$
B
$$x=8,-2$$
C
$$x=4,-4$$
D
$$x=\sqrt{3},-\sqrt{3}$$
E
$$x=\frac{\sqrt{5}}{11},-\frac{\sqrt{5}}{11}$$
Question 5 of 5Solve each Equation
$$(4x-1)^2-9=0$$
Finish »
Select the Correct Answer Below: Correct! Not Correct!
A
$$x=12,-\frac{1}{3}$$
B
$$x=1,-\frac{1}{2}$$
C
$$x=-1,\frac{1}{2}$$
D
$$x=-12,\frac{1}{3}$$
E
$$x=15,4\sqrt{3}$$

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