### All SAT Math Resources

## Example Questions

### Example Question #232 : Exponents

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #231 : Exponents

Rationalize the denominator:

**Possible Answers:**

**Correct answer:**

Explanation:

The conjugate of is .

Now multiply both the numerator and the denominator by

and you get:

Hence we get

### Example Question #234 : Exponents

Solve for :

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #235 : Exponents

Solve for .

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #236 : Exponents

If,

What does

**Possible Answers:**

**Correct answer:**

Explanation:

If ,

then .

### Example Question #237 : Exponents

**Possible Answers:**

**Correct answer:**

Explanation:

From the equation in the problem statement

Now squaring both sides we get

this is a quadratic equation which equals

and the factors of this equation are

This gives us .

However, if we plug these solutions back into the original equation, does not create an equality. Therefore, is an extraneous solution.

### All SAT Math Resources

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