The points plotted below are on the graph of a polynomial. Which of the following x-values is the best approximation of a root of the polynomial?
Check all that apply.

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in