Question

is the parabola opens up or down to f(x)=5x^2-3x and whether the y coordinate of the vertex is the minimum value or the maximum value of the function.

Answer 1

up because function is postive

Answer 2

if the term in front of x^2 is negative then it opens downward

Answer 3

here's a hint for you

y= x^2


y = -x^2


x = y^2


x = -y^2