### All SAT II Math I Resources

## Example Questions

### Example Question #21 : Single Variable Algebra

**Possible Answers:**

**Correct answer:**

To isolate the variable in the equation, perform the opposite operation to move all constants on one side of the equation and leaving the variable on the other side of the equation.

To get rid of the radical, we square both sides.

### Example Question #21 : Single Variable Algebra

Solve for .

**Possible Answers:**

**Correct answer:**

To isolate the variable in the equation, perform the opposite operation to move all constants on one side of the equation and leaving the variable on the other side of the equation.

To get rid of the radical, we square both sides.

Subtract on both sides.

### Example Question #22 : Single Variable Algebra

Solve for .

**Possible Answers:**

**Correct answer:**

To isolate the variable in the equation, perform the opposite operation to move all constants on one side of the equation and leaving the variable on the other side of the equation.

Take the square root on both sides. Remember when you do that, you need to take account of the negative as well. Two negatives multipied is a positive number.

### Example Question #23 : Single Variable Algebra

Solve for .

**Possible Answers:**

**Correct answer:**

This is a quadratic equation. We need to find two terms that are factors of the c term that add up to the b term.

In this case, we should have .

Solve each binomial individually.

Subtract on both sides.

Subtract on both sides.

Answers are .

### Example Question #25 : Single Variable Algebra

Solve for .

**Possible Answers:**

**Correct answer:**

Subtract on both sides.

### Example Question #24 : Single Variable Algebra

Solve for .

**Possible Answers:**

**Correct answer:**

Subtract on both sides. Since is greater than and is negative, our answer is negative. We treat as a normal subtraction.

### Example Question #15 : Solving Equations

Solve for .

**Possible Answers:**

**Correct answer:**

Add to both sides.

### Example Question #25 : Single Variable Algebra

Solve for .

**Possible Answers:**

**Correct answer:**

Add on both sides. Since is greater than and is negative, our answer is negative. We treat as a normal subtraction.

### Example Question #26 : Single Variable Algebra

Solve for .

**Possible Answers:**

**Correct answer:**

Divide on both sides. When dividing with a positive number, our answer is negative.

### Example Question #27 : Single Variable Algebra

Solve for .

**Possible Answers:**

**Correct answer:**

Divide on both sides. When dividing with another negative number, our answer is positive.

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