# mathsphy Maths NO MORE scary

S No. Topic Video
1 4.1 Q1 The cost of the note book is twice the cost of the pen, Write the linear equation in two variables to represent the statement.
2 4.1 Q2 Express the following linear equation in the form of ax + by + c = 0 and indicate the value of a, b and c in each case.
3 4.2 Q1 Y = 3x + 5 has : Unique solution Only two solutions Infinitely many solutions
4 4.2 Q2 Write four solutions for each of the following equations
5 4.2 Q3 Check which of the following are the solutions of the equation x – 2y = 4 and which are not
6 4.2 Q4 Find the value of k, if x = 2, y = 1 is the solution of the equation 2x + 3y = k
7 4.3 Q1 Draw the graph of each of the following linear equations in two variables.
8 4.3 Q2 Give the equations of two lines passing through (2, 14). How many more such lines are there, and why.
9 4.3 Q3 If the point (3,4) lies on he graph of the equation 3y = ax +7, Find the value of a.
10 4.3 Q4 Taxi fare in a city is as follows: For the 1st km, the fare is 8 \$ and for the subsequent distance it is 5\$ per km.
Topic/Video

1 4.1 Q1 The cost of the note book is twice the cost of the pen, Write the linear equation in two variables to represent the statement.

2 4.1 Q2 Express the following linear equation in the form of ax + by + c = 0 and indicate the value of a, b and c in each case.

3 4.2 Q1 Y = 3x + 5 has : Unique solution Only two solutions Infinitely many solutions

4 4.2 Q2 Write four solutions for each of the following equations

5 4.2 Q3 Check which of the following are the solutions of the equation x – 2y = 4 and which are not

6 4.2 Q4 Find the value of k, if x = 2, y = 1 is the solution of the equation 2x + 3y = k

7 4.3 Q1 Draw the graph of each of the following linear equations in two variables.

8 4.3 Q2 Give the equations of two lines passing through (2, 14). How many more such lines are there, and why.

9 4.3 Q3 If the point (3,4) lies on he graph of the equation 3y = ax +7, Find the value of a.

10 4.3 Q4 Taxi fare in a city is as follows: For the 1st km, the fare is 8 \$ and for the subsequent distance it is 5\$ per km.