GRAPHS, FUR1 2004 VCAA 2 MC

The point `(2, 1)` lies on the line `y = 3x + c`.
The value of `c` is

A. −7

B. −5

C. −1

D. 5

E. 7

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`B`

Show Worked Solution

`text(Sub)\ (2, 1)\ text(into)\ y = 3x + c`

`(1)`	`= 3(2) + c`
`1`	`= 6 + c`
`c`	`= text(−5)`

`=> B`