Need help with homework anybody

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr