What are the x-intercepts of y = x^2 + 5x - 1?

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Solve 2x+y=3 x+y=5 in substitution method