Question

Check my answer please?

Answer 1

We have to calculate the slope and the y-intercept.

The y-intercept can be seen directly in the graph at y(0)=-1.

To calculate the slope, we find another point in the line. For example the point (-4,4), that we are sure it belongs to the line.

We can calculate the slope as:

`m=(\Delta y)/(\Delta x)=(y_2-y_1)/(x_2-x_1)=(4-(-1))/(-4-0)=(4+1)/(-4)=(5)/(-4)=-(5)/(4)`

The slope is m=-5/4.

The y-intercept is b=-1.

The equation of the line is y=-(5/4)*x-1