Question

Describe how to determine whether the parabola y = 3x2 + 3x + 6 is opening upward.

Answer 1

• Opening upward

Explanation:

Standard equation of parabola is:

• y = ax² + bx + c

The parabola is opening upward if a > 0 and opening downward if a < 0

The given parabola has a = 3 > 0, therefore it is opening upward