Find the equation of the line.
Use exact numbers.
![Find the equation of the line Use exact numbers class=](https://us-static.z-dn.net/files/de7/3a4eaabd75210793c4c5e7b2fe7c7cbb.png)
Answer: y=2x+4
Step-by-step 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 [tex]m=\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex] to find slope. Let's use (1,6) and (2,8).
[tex]m=\frac{8-6}{2-1}=\frac{2}{1} =2[/tex]
Now that we know the slope, we can fill in our slope-intercept equation.
y=2x+4