Question

1. If (2,0) is a solution of the linear equation 2x+3y=k, then the value of k is 2. The equation X = 7 in two variables can be written as

3. Any point on the x-axis is of the form?

4. If a linear equation has solutions(-2,2), (0,0) and (2-2) then it is of the form

5. If X= k7, y= k is a solution of the equation x-5y+6 =0, then the value of k is 6. If the point (3.4 L'Lies on the graph of the equation 3 Y- ax- 7 = 0 then the value of a is

7. Is the point (0,3) lies on the line 3 X+4 Y = 12?

8. Write an equation of a line which passes through the origin 9. In which quadrant the positive solutions of the equation ax+ by+ c = 0 always lie?

10.A part of monthly expenses of a family on milk is fixed which is rupees 500 and the remaining Varies with the quantity of milk taken extra at the rate of rupees 20 per litre Taking the quantity of milk required extra as X litre and the total expenditure on milk is rupees Y. write a linear equation for this equation​

Answer 1

Answer:

please check exercise 4.2 in 9th class