Determine whether the graph of the quadratic function y = - x^2 - 10x + 1 opens upward or downward. Explain.

A. Because a > 0, the parabola opens upward.

B. Because a < 0, the parabola opens upward.

C. Because a < 0, the parabola opens downward.

D. Because a > 0, the parabola opens downward.

Question

Rylee Mason

28 November, 11:51

+1

Answers (1)

Know the Answer?

Mariana Best · Answer 1

C. If the first coefficient is negative, then the graph opens downwards

Determine whether the graph of the quadratic function y = - x^2 - 10x + 1 opens upward or downward. Explain.A. Because a > 0, the parabola opens upward.B. Because a < 0, the parabola opens upward.C. Because a < 0, the parabola opens downward.D. Because a > 0, the parabola opens downward.