Question

Solve 2x+3y=11 and 2x-4y+24=0 and hence find the value of k such that y=kx+3 


a) k=1

b) k=-1

c) k=0

d) None of these​

Answer 1

Answer:

k = -1

Logic : Simultaneous equations

Hope you understood...

Answer 2

Answer:

Given pair of equations are: 2x + 3y = 11..(i) 2x - 4y - - 24...(ii) Subtracting equation 2 from 1 will get 7y = 35 y = 5 now Substituting y in eq 1 2x ...