Q6 of 42 Page 38

If the point (3, 4) lies on the graph of 3y = ax + 7, then find the value of a.

Given: 3y = ax + 7


Since the point (3, 4) lies on the graph of 3y = ax + 7.


3(4) = a(3) + 7


Or, a = .


Therefore,


More from this chapter

All 42 →
4

Draw the graph of the linear equation whose solutions are represented by the points having the sum of the coordinates as 10 units.

 5

Write the linear equation such that each point on its graph has an ordinate 3 times its abscissa.

 7

Solve the equation

2x + 1 = x – 3, and represent the solution(s) on


(i) the number line,


(ii) the Cartesian plane.

 8

Find the solution of the linear equation x + 2y = 8 which represent a point on

(i) X-axis (ii) Y-axis