Algebra 1
3 marks · NormalThe table below shows values of for different values of .
| k | z |
|---|---|
| 1 | |
| 4 | |
| 7 |
Complete the table for the given values of .
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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Common mistakes: Not multiplying by 2 before adding 5
Show mark scheme and worked solution
Marking points
M1 · 1 mark · M: Substitute correctly for k = 1, 4, 7
A1 · 2 marks · A: Each correct value z for k (award 1 mark for 2 correct, 2 marks for all 3 correct)
Worked solution
| k | z |
|---|---|
| 1 | 7 |
| 4 | 13 |
| 7 | 19 |