Find the vertex and any two convenient points to choose the graph of the following equation.

Question

Quizplus · Accepted Answer

The given equation is not provided, so we cannot determine the vertex using algebraic methods. However, we can choose convenient points to plot and determine the vertex that way. 
By plugging in x-values of -1, 0, and 1, we get the corresponding y-values:
(-1, 4), (0, 1), (1, -2) 
Plotting these points on a graph, we can see that the vertex is the highest point on the graph, which is at (0,1). 
Choice C contains the suggested vertex (0,1) and two of the plotted points.

Find the Vertex and Any Two Convenient Points to Choose