Question

Consider the graph of the equation y=ax^2+bx+c, when a =/ 0. If a is multiplied by 3, what is true of the graph of the resulting parabola?

a) the vertex is 3 units above the vertex of the orginal parabola
b) the new parabola is 3 units to the right of the original parabola
c) the new parabola is wider than the original parabola
d) the new parabola is narrower than the original prabola

Answer 1

d