Topic Review Solutions — Patterns & Algebra

Answers

1. Algebraic expressions Fluency

   1. x + 5
   2. 3x − 7
   3. x ÷ 4 + 2
   4. 2n + 9

2. Evaluate when y = 4 Fluency

   1. 14
   2. 15
   3. 2
   4. 10
   5. 28

3. Table for y = 2x + 3 Fluency

   x	1	2	3	4	5
   y	5	7	9	11	13

4. Find the rule Understanding

   1. The output increases by 3 each time.
   2. y = 3x + 1
   3. 31

5. Fence post pattern Understanding

   1. Panels (t)	1	2	3	4	5
      Posts (p)	2	3	4	5	6

   2. p = t + 1
   3. 21 posts

6. Taxi fare Problem Solving

   1. C = 1.80k + 3.50
   2. $17.90
   3. 14 km