Question

1. Is it true to say that the pair of linear equations x - 2y = 0
and 3x + 4y = 20 has a unique solution?​

Answer 1

Answer:

$\huge{\boxed{\rm{\red{True}}}}$

Step-by-step explanation:

Given lines are x-2y=0------(1)

a1=1,b1=-2;C1=0

and, 3x+4y=20=>3x+4y-20=0-----(2)

a2=3;b2=4;c2=-20

a1/a2=1/3

b1/b2=-2/4=-1/2

C1/c2=0/-20=0

a1/a2≠b1/b2≠c1/c2

so given lines are intersecting lines with a unique solution.