Detemine the direction that this parabola open y=-2x^2+4x+1 up or down

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?