Answer:
C.) -1/2
Step-by-step explanation:
Perpendicular lines have opposite reciprocal slopes.
- Opposite = opposite signs (+ & -)
- Reciprocal = flipped positions in fractions (1/2 ⇒ 2/1)
Therefore, the slope of a line perpendicular to the line y = 2x - 3 must be -1/2.
