💥 Q 53 Prep 3 Geometry Question Bank T1

If the straight line \( L_1 \) passes through the two points \( (3, 1) \) and \( (2, k) \) and the straight line \( L_2 \) makes with the positive direction of the \( X \)-axis a positive angle whose measure is \( 45^\circ \), then find \( k \) if the two straight lines \( L_1 \) and \( L_2 \) are:

a) Parallel

(a) 0

(b) 1

(c) 2

(d) -1

MR/Nasef.N

b) Perpendicular

(a) 3

(b) 4

(c) 2

(d) 0

Correct Answers:
a) Parallel: (a) 0
b) Perpendicular: (c) 2