Question

ax+2y=7 and 3x+by=16 represent parallel lines find the value of ab

Answer 1

Step-by-step explanation:

ax+2y=7

ax+2y-7=0-----(1)

3x+by=16

3x+by-16=0------(2)

a1/a2=b1/b2=/=c1/c2. (parallel lines)

a/3=2/b=/=-7/-16

a=2:b=3

or

a=1 : b=6