# Unit Quiz: Quadratic sequences

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## Q1.What is the nth term of the sequence 2, 11, 26, 47, 74, …? 1. A
2. B
3. C
4. D

1. C

## Q2.What is the nth term of the sequence 13, 10, 5, -2, -11, …? 1. A
2. B
3. C
4. D

1. B

## Q3.What is halved to find the n² coefficient? 1. A
2. B
3. C
4. D

1. C

## Q4.What is the solution set for x² + x - 6 > 0? 1. A
2. B
3. C
4. D

1. B

## Q5.What is the solution set for x² + 3x - 4 < 0? 1. A
2. B
3. C
4. D

1. C

## Q6.Why does x² + 9 < 0 not have any solutions? 1. A
2. B
3. C
4. D

1. D

## Q7.What is the solution set for x² ≥ 25? 1. A
2. B
3. C
4. D

1. B

## Q8.What is the solution set for x² - 7 > 74? 1. A
2. B
3. C
4. D

1. A

## Q9.What is the solution set for 2x² - 11 ≤ 61? 1. A
2. B
3. C
4. D

1. D

## Q10.What is the solution set for 10x² + 33x - 7≤ 0? 1. A
2. B
3. C
4. D

1. D

## Q11.What is the solution set for 2x² + 2x – 30 < 5x + 24? 1. A
2. B
3. C
4. D

1. D

## Q12.Which option is a quadratic inequality that has a solution set of {x: x >1.5 ∪ x < -0.5}? 1. A
2. B
3. C
4. D