Question

MATHEMATICS


1) Find the value of k,if x=2,y=1 is a solution of the equation 2x + 3y= k
2) Write the following equations in the form ax+by+c=0 and indicate the values of a,b,c in each case?
i) 4= 5x -3y. ii) 2x+3y = 4.37
3) Write 3 solutions for the equation 2x+y=7
4) .Give the geometric representation of 3x-9=0. (1)in one variable
(2) in two variable

5) The taxi fare in the city is ad follows: for the first 3km the fare was Rs.12 and for the subsequent distance it is Rs. 5 per kilometer
Taking the distance covered as x km and total fare as Rs.y write a linear equation for this information and draw it's graph.
urgent plz reply fastly​

Answer 1

Answer:

1)2(2)+3(1)=k

4+3=k

7=k

2)(¡)5x-3y-4=0

so,a=5,b=-3,c=-4

(¡¡)2x+3y -4.37

so,a=2,b=3,c=-4.37