### All PSAT Math Resources

## Example Questions

### Example Question #1 : Square Of Sum

Simplify the radical.

**Possible Answers:**

**Correct answer:**

Explanation:

We can break the square root down into 2 roots of 67 and 49. 49 is a perfect square and reduces to 7.

### Example Question #1 : Squaring / Square Roots / Radicals

Expand:

**Possible Answers:**

**Correct answer:**

Explanation:

Use the perfect square trinomial pattern, setting :

### Example Question #1 : Squaring / Square Roots / Radicals

If is expanded, what is the coefficient of ?

**Possible Answers:**

There is no term in the expansion of .

**Correct answer:**

Explanation:

The coefficient of is therefore 11.

### Example Question #1171 : Psat Mathematics

If is expanded, what is the coefficient of ?

**Possible Answers:**

There is no term in the expansion of .

**Correct answer:**

Explanation:

The coefficient of is therefore 10.

### Example Question #4 : Squaring / Square Roots / Radicals

Expand:

**Possible Answers:**

**Correct answer:**

Explanation:

Use the perfect square trinomial pattern, setting :

Kenneth

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Certified Tutor

Western Kentucky University, Bachelors, Mathematics and Geography. University of the Cumberlands, PHD, Educational Leadership.

Stephanie

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Saint Louis University-Main Campus, Bachelors, Psychology. University of Southern Mississippi, Masters, Clinical Psychology.