Answer:
Option D. 
Step-by-step explanation:
using a graphing tool
Graph and determine the vertex in each case
we know that
If the equation has a maximum value at x=-2, then the x-coordinate of the vertex must be equal to -2 and the parabola open downward
case A) 
The vertex is the point 
case B) 
The vertex is the point 
case C) 
The vertex is the point 
case D) 
The vertex is the point
-------> is the answer
see the attached figure
Answer:
Step-by-step explanation:
If you let y=2x, you can plug it into the other equation.
x+2x=-9
Then solve that equation.
3x=-9
x=-3
Then use y=2x to find y.
y=2(-3)=-6
y=-6
11/3 as an improper fraction and 3 2/3 as mixed number form
Answer:
is this a type of question
Divide total pieces of candy by total people:
35 / 5 = 7
Each person receives 7 pieces of candy