MCQ Questions for CBSE Class 9 Math Linear Equation Of Two Variable Linear Equation And Graph With Answers

Find the solution using the graph.

heron's fornula 

Formula- ax+by= c, line is parallel to y-axis.

Recall the concept of finding the variables of an equation.

The coordinates of a point on x-axis is (x,0).

Line is parallel to y-axis.

Let the age of father be x and age of mother be y. Then the pair of linear equations are\\(x+12=54\\) and \\(y+12=50 \\).

The solution the pair of equation is the point of intersection (42, 38)

Find the solution using the graph.

point of intersection of both lines is (24, 22)

Find the solution of the equations and plot the graph.