What relationship has a zero slope

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points