Question

1. Form the pair of linear equations in the following problems, and find their solutions
graphically.
(1) 10 students of Class X took part in a Mathematics quiz. If the number of girls is 4
more than the number of boys, find the number of boys and girls who took part in
the quiz.​

Answer 1

Step-by-step explanation:

let we assume girls as 'x' and boys as 'y'.

according to question 1st equation is

x+y=10 and 2nd equation is

x=y+4 we can also write x-y =4

for equation 1

assume x = 8 and y = 2 and x= 6 and y=4

1. for eq. 2nd x=4 ,y=0and x=8 and y=4
2. we can also represent this on graph