### All PSAT Math Resources

## Example Questions

### Example Question #101 : Arithmetic

Define an operation as follows:

For all real ,

.

Evaluate .

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #102 : Arithmetic

Define an operation as follows:

For all real ,

.

Evaluate .

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #1671 : Psat Mathematics

Define an operation as follows:

For all real ,

Evaluate .

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #1 : How To Subtract Fractions

Define an operation as follows:

For all real ,

.

Evaluate .

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #101 : Fractions

Define an operation as follows:

For all real ,

Evaluate

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #1 : How To Subtract Fractions

Define an operation as follows:

For all real ,

.

Evaluate .

**Possible Answers:**

The correct answer is not among the other responses.

**Correct answer:**

The correct answer is not among the other responses.

Explanation:

This answer is not among the choices given.

### Example Question #107 : Arithmetic

Subtract and simplify the fractions:

**Possible Answers:**

**Correct answer:**

Explanation:

First we need to give them common denominators. Remember, whatever you do to the denominator you must do to the numerator:

From here, we do algebraic operations to subtract and simplify.

Sophia

Certified Tutor

Certified Tutor

University of North Carolina at Chapel Hill, Bachelor of Science, Biology, General.

Julieta

Certified Tutor

Certified Tutor

Nueva Ecija University of Science and Technology (Philippines), Bachelor of Education, Mathematics.