write quadratic function f(x)=x^2+2x-99 in standard form and please show work. i have a quiz tomorrow and need to understand this :)

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

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2