Linear Equations in Two Variables

The distance between the graphs of the equations y = -1 and y = 3 is :

• 2

• 4

• 3

• 1

If ( 2k - 1 , k ) is the solution of the equation 10x - 9y = 12 , then k =

• 1

• 2

• 3

• 4

Countries like United States and Belize use Fahrenheit for measuring temperature whereas India use Celsius.

Here is a equation for converting Fahrenheit to Celsius.

F = (9/5)C + 32.

If the temperature is 95⁰F then what is the temperature in Celsius?

• 34.5⁰C

• 12.5⁰C

• 35⁰C

• 37⁰C

Find the value of s if (23,2), is a solution of sx + 12y = 7 is

• 1.476

• -0.739

• 12.32

• -1.453

The line represented by the equation x + y = 16 passes through (7,9). How many more lines pass through this point

• One

• Five

• Infinite

• No more lines can pass

The area of the triangle formed by the line x+2y=6 and the co-ordinate axis is

• 4

• 7.5

• 9

• -8

The value of k, if x = 1, y = 2 is a solution of the equation 2x + 3y = k.

• 5

• 6

• 7

• 8

The solution of equation x-2y = 4 is:

• (0,2)

• (2,0)

• (4,0)

• (1,1)

3x+10 = 0 will have :

• Unique solution

• Two solutions

• Infinitely many solutions

• No solutions

4x - 32y² + 3x³ = 35 is a linear equation in 2 variables. State true/false.

• true

• false