Question

4. Find the equationof a line with a slopeof 3 and through(2,9)

Answer 1

to find the equation we need to use the slope-point equation, and we get the following

`\begin{gathered} y-9=3(x-2)=3x-6 \\ y=3x-6+9=3x+3 \end{gathered}`

so the answer is

`y=3x+3`