Question

The pair of linear equation given below doesn't have a solution. Find the value of a


2x - 5y = 8, 8x - ky = 9​

Answer 1

Answer:

k = 20

for no solution =

a1/a2 = b1/b2 not equal to c1/c2

here is the solution

Answer 2

Answer:

20

Step-by-step explanation:

Since It Doesn't Have any Solution It Means These Two Lines are Parallel

So Their Slopes are Equal

Slope of first line = Slope of Second Line

2/5 = 8/k

Solving This,  We Get

k = 20

Note : You Can Understand It Like This Way Also Suppose We Have Two Lines

ax + by + c = 0

lx + my + n = 0

So, if Doesn't Have Any Solution

a/b = l/m

Now Compare Equation put the Values of a,b,l and m and You Will Get k = 20