Find the equation of the lines in point-slope form with the following properties.
slope = -3 and passes through (2, 4).

Reflect the point (7,0) across the y-axis

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

This is about circle theorems. someone asap : (