How do you write an equation for (-5,-1), (0,-1)

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

If the discriminant if a quadratic equation is 4 which statement describes the roots?