81.7k views
1 vote
1.) y = - 4x^2 - 8x +9A.) Identify the coefficients (a, b, and c) B.) Tell whether the graph opens up or opens down C.) Find the vertex D.) Find the axis of symmetry E.) Find the y-intercept

User Wjdp
by
8.2k points

1 Answer

6 votes

Step-by-step explanation:

The given equation is a quadratic function, therefore it is of the form f (x) = ax² + bx + c, a ≠ 0; where the letters a, b and c are the coefficients; and always the coefficient c of a quadratic function is called constant.

The coefficients a, b and c of the quadratic function are as follows:

ANSWER:


\begin{gathered} coefficient\text{ a=}4 \\ \text{coefficient b=8} \\ \text{coefficient c=9} \end{gathered}

User Penchant
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories