# Unit Quiz: Collecting, Indices, Expand and Simplify, Solving Equations 1

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1. z⁴
2. 5z
3. 4z
4. 4z²

1. 4z²

1. 54mn²
2. 14mn
3. 54m²n
4. 14m²n

1. 54m²n

1. 13e
2. 13
3. e
4. e¹³

1. 13e

1. 6y²
2. 6y
3. 6y³
4. 6

1. 6y²

1. 45 – 18t
2. 18t + 45
3. 45 – 2t

1. 45 – 18t

1. 20t – 28
2. -20t – 28
3. -20t + 7
4. -20t + 28

1. -20t – 28

## Q7.Expand and simplify 9(5k – 3) + 3k + 4

### Options:

1. 45k – 27
2. 45k – 27 + 3k + 4
3. 48k – 23
4. 48k – 31

1. 48k – 23

## Q8.What is the solution to this equation? 1. - 8
2. 3
3. - 5
4. - 3

1. - 3

## Q9.Identify the correct equation and solution for w if the perimeter of this regular octagon is 56 cm. 1. A
2. B
3. C
4. D

1. C

## Q10.Find the solution to this equation. 1. 7
2. - 14
3. - 7
4. 15

1. 7

1. 12b² + 7b
2. 6b² – 3b
3. 6b² + 7b
4. 13b²

1. 6b² + 7b

1. 25t + 15
2. 25t² + 3
3. 28t
4. 25t² + 15t

1. 25t² + 15t

1. 8p + 4
2. 15p² + 20p
3. 15p² + 13p
4. 28p

1. 15p² + 13p

1. <
2. =

## Q15.What is the solution to this equation? 1. 125
2. 63
3. 65
4. 57

1. 57

## Q16.Find the solution to this equation. 1. - 126
2. - 14
3. 3.5
4. - 3.5

1. - 3.5

## Q17. 1. a
2. b
3. c

1. c

## Q18. 1. a
2. b
3. c