Perpendicular- meeting to form a right angle.
Perpendicular bisector- a line,Ray, or line segment that bisects a line segment at a right angle.
Perpendicular lines- if perpendicular lines are graphed on a Cartesian coordinate system.
The answer is B. -1/2
down 1 (-1)
right 2
Answer:
Step-by-step explanation:
- x² > 81
- √x² > √81
- |x| > 9
- x > 9, x < - 9
Correct choice is C