Question

What is the equation of the line whose slope is 4 and passes through thepoint (3,5)? *

Answer 1

slope = 4

point (3,5)

the equation is of the form y = mx + b

`\begin{gathered} 5=4(3)+b \\ 5=12+b \\ 5-12=12+b-12 \\ b=-7 \end{gathered}`

the equation is

`y=4x-7`