Answer:
x≤-17/9
Step-by-step explanation:
9x≤-17
1) Divide both sides by 9:
x≤-17/9
Answer:
16.8
Step-by-step explanation:
The lines are perpendicular if their slopes are negative reciprocal of the other.
Since 9/2 is just a reciprocal and not the NEGATIVE reciprocal of 2/9, the lines are NOT perpendicular.