Question

When a < 0 in the quadratic function y = ax2 + bx + C, the graph of the quadratic function opens _____?

Answer 1

downwards

Explanation:

Given the quadratic function in standard form

y = ax² + bx + c ( a ≠ 0 )

• If a > 0 then the graph opens upwards

• If a < 0 then the graph opens downwards