if a < 0, then the parabola opens down . The vertex is the lowest or highest point (depending on direction) on the graph of a quadratic function. Basically you will find the x value of the vertex first and then just plug that value into the function to get the y or functional value of the vertex. :)
Answer:
-1, -1, 1/2, and 2
Step-by-step explanation:
Sorry if I’m wrong
Answer:0.518518519
Step-by-step explanation: