Identify the type of graph.
-$$x ^ { 2 } - 9 x + y = 0$$
A) The graph is a parabola opening downward.
B) The equation has no graph.
C) The graph is an ellipse with center $( 0,9 )$.
D) The graph is a parabola opening upward.

Question

Quizplus · Accepted Answer

The equation is in the form of a parabola, $y = ax^2 + bx + c$, where $a$, $b$, and $c$ are constants. In this case, $a = 1$, $b = -9$, and $c = 0$. Since $a$ is positive, the parabola opens upward.

Identify the Type of Graph x2−9x+y=0x ^ { 2 } - 9 x + y = 0x2−9x+y=0

Identify the Type of Graph $x ^ { 2 } - 9 x + y = 0$