Question

Find the equation of the line.
Use exact numbers.

Answer 1

Answer: y=2x+4

Explanation:

From the graph, we already know what the y-intercept is. The line crosses the y-axis at (0,4). Therefore, 4 is our y-intercept.

For the slope, we can take any 2 points on the graph and then use the formula
`m=(y_(2)-y_(1) )/(x_(2)-x_(1) )` to find slope. Let's use (1,6) and (2,8).

`m=(8-6)/(2-1)=(2)/(1) =2`

Now that we know the slope, we can fill in our slope-intercept equation.

y=2x+4