Convex Polygon:
If you extend any segment of the polygon to make a line, no point on the line is

No point on the line is outside of the polygon.

Step-by-step explanation:

Convex Polygon is a simple polygon in which no line segment between two points on the boundary ever goes outside the polygon. All its interior angles less than 180 degrees.

If you extend any segment of the polygon to make a line, no point on the line is outside the polygon.

2x^2+5x+17

your welcome. : )