Draw the graph of linear equation 4x + 3y = 36. From the graph, find the value of y when x = 3 and value of x when y = 6.

4

(a)

Draw the graph of the equations x = 3 and 4x = 3y in the same graph.Find the area of the triangle formed by these two lines and the x-axis

4

(a)

If x is the number of hours a labourer is on work and y his wages in rupees then y = 4x + 3. Draw the work wages graph of this equation. From the graph, find the wages of a labourer who puts in 4 hours of work

4

(a)

A part of family budget on milk is constant and is fixed at Rs.500, while the other is variable and it depends on the need for milk at the rate of Rs.20 per litre.If extra milk taken is x litre and total expenditure on milk is Rs y, then write a linear equation for this problem. Draw its graph.

4

(a)

Draw the graph of \({2\over3}x-y=2\) and find the points where it cuts the co-ordinate axes.

4

(a)

Draw the graph of the linear equation 3x+4y=6. Find the points where the line representing the equation 3x+4y=6 cuts the axes of x and y.

4

(a)

Fabrenheit (F) and Celcius (C) are two different units of temperature and the relation between them is given by \(C=\frac{5}{9}(F-32).\) Draw the graph for this relation. At what temperature both units read the same.

4

(a)

Write the equation of lines p and r in the given graph.
A student answered the equation of a line 'q' as x+y=1. Did he answered correctly? Also, find the area of lines enclosed between p,q and r.

4

(a)

A student Amit of class IX is unable to write in his examination, due to fracture in his arm. Akhil a student of class Vi writes for him. The sum of their ages is 25 years.
(i) Write a linear equation for the above situation and represent it graphically.
(ii) Find the age of Aknil from the graph, when age of Amit is 14 years.

4

(a)

The ratio of girls and boys in a class is 1:3. Set up an equation between the students of a class and boys and then draw its graph. Also find the number of boys in a class of 40 students from the graph.

4

(a)