Can a quadratic function in stadard form, with a=1,bewritten in vertex form?

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

With both problems. a. s.a. p directions on photo ^