Solution of Linear Equation in 2 Variables

Q.

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

Q. If y = 4x is written in the form of ax + by + c = 0, then which of the following options represents the values of a, b and c respectively?

1. 4, 0, 1
2. 0, 4 , 1
3. 4, -1, 0
4. -4, 1, 0

Q.

Write the following statement in the form of equation:
$4lessthanyis12$

Q. The linear equation 2x - 5y = 7 has

1. a unique solution
2. two solutions
3. infinitely many solutions
4. no solution

Q.

If $x=3$ and $y=-2$ satisfy$2x–3y=k$, then find the value of $‘k’$.

Q. Find the values of x and y in the following rectangle

1. $x=7,y=-8$
2. $x=1,y=-5$
3. $x=2,y=0$
4. $x=1,y=4$

Q. The relation between the number of books read (y) and the number of days(x) is given by y = 2x. Which of the following table of data is plotted in the given graph?

1. 
2. 
3. 
4. 

Q. The temperture of a week are recorded and shown as below.
What is the temperature on Wednesday?

1. $25{}^{0}C$
2. $29{}^{0}C$
3. $32{}^{0}C$
4. $34{}^{0}C$

Q. From Dharmapuri bus stand if we buy $2$ tickets to Palacode and $3$ tickets to Karimangalam the total cost is Rs.$32,$ but if we buy $3$ tickets to Palacode and one ticket to Karimangalam the total cost is Rs. $27$. Find the fares from Dharmapuri to Palacode and to Karimangalam.

Q. The relation between the number of books read (y) and the number of days(x) is given by y = 2x. Which of the following table of data is plotted in the given graph?

1. 
2. 
3. 
4.