Solve for x.

Please help!

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

At a cost of 200, your club bought 175 frisbees to sell at the pep rally. you plan on selling them for $5 each. what is the domain of the function?

Joline is solving the equation 0=x^2-5x-4 using the quadratic formula which value is the negative real number solution to her quadratic equation round to the nearest tenth if necessary