Answer:
Let's complete the square first.
y = x² + 6x + 3
= (x² + 6x + 9) - 6
= (x + 3)² - 6
Therefore, the vertex is (-3, -6) and since the coefficient of (x + 3)² is positive, the vertex is a minimum.
Answer:
22
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
The mode is the most repeated number in the data set. In this case, that is 7 because it's repeated 3 times.