need help with this problem

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?

Examine this system of equations. what integer should the second equation be multiplied by so that when the two equations are added together, the x term is eliminated? 3/4x+1/7y=6 1/8x-3/5y=16