Question

The equation below describes a parabola. If a is positive, which way does the parabola open?

y = ax2
A. Left
B. Down
C. Up
D. Right

Answer 1

Answer:up

Explanation:

Answer 2

we know that

the equation

`y=ax^(2)`

describe a vertical parabola with vertex at point
`(0,0)`

if
`a> 0` -------> the parabola open Up and the vertex is a minimum

if
`a< 0` -------> the parabola open Down and the vertex is a maximum

in this problem we have

`a> 0` ---> because is positive (given problem)

so

The vertex is a minimum

therefore

the answer is the option C

Up