# Unit Quiz: Quadratic sequences

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## Q1. What is the nth term of the sequence 2, 11, 26, 47, 74, …?

### Options:

- A
- B
- C
- D

### Correct Answer:

- C

## Q2. What is the nth term of the sequence 13, 10, 5, -2, -11, …?

### Options:

- A
- B
- C
- D

### Correct Answer:

- B

## Q3. What is halved to find the n² coefficient?

### Options:

- A
- B
- C
- D

### Correct Answer:

- C

## Q4. What is the solution set for x² + x - 6 > 0?

### Options:

- A
- B
- C
- D

### Correct Answer:

- B

## Q5. What is the solution set for x² + 3x - 4 < 0?

### Options:

- A
- B
- C
- D

### Correct Answer:

- C

## Q6. Why does x² + 9 < 0 not have any solutions?

### Options:

- A
- B
- C
- D

### Correct Answer:

- D

## Q7. What is the solution set for x² ≥ 25?

### Options:

- A
- B
- C
- D

### Correct Answer:

- B

## Q8. What is the solution set for x² - 7 > 74?

### Options:

- A
- B
- C
- D

### Correct Answer:

- A

## Q9. What is the solution set for 2x² - 11 ≤ 61?

### Options:

- A
- B
- C
- D

### Correct Answer:

- D

## Q10. What is the solution set for 10x² + 33x - 7≤ 0?

### Options:

- A
- B
- C
- D

### Correct Answer:

- D

## Q11. What is the solution set for 2x² + 2x – 30 < 5x + 24?

### Options:

- A
- B
- C
- D

### Correct Answer:

- D

## Q12. Which option is a quadratic inequality that has a solution set of {x: x >1.5 ∪ x < -0.5}?

### Options:

- A
- B
- C
- D

### Correct Answer:

- C