Answer:
d. -44
Explanation:
Step 1 - Find the pattern
1, -4, -9, -14...
Clearly the pattern is adding negative five each time.
Step 2 - Simply continue the pattern until you get to the tenth value
1, -4, -9, -14, -19, -24, -29, -34, -39, -44
Therefore, the tenth value in the sequence is most likely -44.