Answer:
1. x = 3
2. x = 2 and x= 4
3. y = -8
4. Downward
5. (3,1)
Step-by-step explanation:
Y-intercept: y value at which the value of x=0
X-intercept: x value at which the value of y=0
Vertex: point of change that includes the highest possible value of y (notatable by (x,y))
Downward extension
