Is this relation a function?

What other information do you need to prove triangle dac=bca by asa

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept