HELP PLEASE NUMBER 5!!

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account