Answer:
Positive: 
Negative: 
Step-by-step explanation:
The graph represents a parabola that has a maximum vertex at (1,4).
The portion of the graph above the x-axis is considered positive
For
, the function is positive.
We can write this in interval notation as: 
For
or
, the function is negative.
We can write this in interval notation as: 
First one is positive second one is negative third one is negative fourth one is positive and the last one is positive
The point-slope form:

We have two points (-9, 7) and (9, 1). Substitute:

Number 3 would be C and number 4 would be D
Answer: x= -7/5 procedure: -2x-8-1=3x-6+4 -2x-9=3x-2 -2x-3x= -2+9 -5x= 7 answer: x= -7/5