Answer:
Option 3. -8
Step-by-step explanation:
we have
Group terms that contain the same variable, and move the constant to the opposite side of the equation
Complete the square. Remember to balance the equation by adding the same constants to each side
----> the isolated constant right side is -8
Rewrite as perfect squares
Square root both sides
Answer:
The answer is D
Step-by-step explanation:
Answer:
volume = 294 ft3
Step-by-step explanation:
volume = base area * height = 7*7/2 * 12 = 294ft3
Answer:
The coordinates are x=2 and y=16, or (2, 16)
Step-by-step explanation: The definition of the vertex of a parabola(the shown graph) is the highest or lowest point on the graph, depending which way the graph opens. When a graph opens upwards, towards positive y, the vertex is the lowest point. On the contrary, when the graph opens downwards, like this graph, the vertex is the highest point. On the graph, you can see clearly that the highest point on the graph has an x-value of 2 and a y-value of 16, making the vertex (2, 16)