Question

Mathematics
Class: IX
Time : 40 Mins
MM: 20
Section-A
(10x1 = 10)
1. What is the name of horizontal and the vertical lines drawn to determine
the position of any point in the Cartesian plane?
2. Find two solutions for the equation 3 y + 4x = 24.
3
In which quadrant does the point (3, -10) lie? Verify your answer.
4. If the point (3, 2) lies on the graph of the equation 3 y = ax + 7, find the
value of a
5. Find the value of k, if x = 2, y = 1 is a solution of the equation 2x+3y = k.
6. The cost of a notebook is 2 more than twice the cost of a pen. Write a
linear equation in two variables to represent this statement.
7.
A linear equation F = (9/5) C + 32 converts Fahrenheit to Celsius, if the
temperature is 30°C, what is the temperature in Fahrenheit?​

Answer 1

Answer:

1. x-axis & y-axis

2. (4,3) , (1,20/3)

3. 1st quadrant

4. -1/3

5. 7

6. 2x - y + 2 = 0

7. 86 ℃

Plz mark me as the brainliast.