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Questions and Answers
If $x = 3 + 2\sqrt{2}$, what is $\frac{x}{3 - 2\sqrt{2}}$ equal to?
If $x = 3 + 2\sqrt{2}$, what is $\frac{x}{3 - 2\sqrt{2}}$ equal to?
- $\frac{3 + 2\sqrt{2}}{3 - 2\sqrt{2}}$
- $\frac{3 + 2\sqrt{2}}{1}$
- 6 (correct)
- $\frac{x}{6}$
If $x = \sqrt{5} - 2$, then $x + \frac{1}{x}$ is equal to:
If $x = \sqrt{5} - 2$, then $x + \frac{1}{x}$ is equal to:
- $4\sqrt{5}$
- $\sqrt{5}$
- 4 (correct)
- $2\sqrt{5}$
If $x = 1 + \sqrt{2}$, then $x + \frac{1}{x}$ is:
If $x = 1 + \sqrt{2}$, then $x + \frac{1}{x}$ is:
- 4 (correct)
- $4\sqrt{2}$
- 8
- $2\sqrt{2}$
$\sqrt{5} - \sqrt{3}$ equals:
$\sqrt{5} - \sqrt{3}$ equals:
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What is the value of $\frac{5 - \sqrt{7}}{5 + \sqrt{7}}$?
What is the value of $\frac{5 - \sqrt{7}}{5 + \sqrt{7}}$?
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