Graphs 1
3 marks · NormalThe table gives some values for the line . Complete the table.
| x | y |
|---|---|
| –1 | |
| 0 | |
| 2 |
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.
Show answer
Must show: x = –1, y = 7, x = 0, y = 4, x = 2, y = –2
Common mistakes: Incorrect substitution for x or sign errors
Show mark scheme and worked solution
Marking points
A1 · 1 mark · Correct value for y when x = –1 (y = 7)
A2 · 1 mark · Correct value for y when x = 0 (y = 4)
A3 · 1 mark · Correct value for y when x = 2 (y = –2)
Worked solution
For each x-value, substitute into y = –3x + 4:
| x | y |
|---|---|
| –1 | 7 |
| 0 | 4 |
| 2 | –2 |