Does the parabola open upward or downward?

Determine if the parabola for the equation, y = -2x^2 - 4x + 6, opens upward or downward. Find the vertex, x-intercepts, and y-intercept without graphing.

keywords: concave, concae-up, concave-down

© SolutionLibrary Inc. solutionlibary.com 9836dcf9d7 https://solutionlibrary.com/math/algebra/does-the-parabola-open-upward-or-downward-3ef1