Linear equations in two variables

Variables in ax+by+c=0 are

• x

• y

• x,y

• a,b,c

If x-5 =√3y in the form of ax+by+c=0 then b=

• 5

• 1

• √3

• -√3

If age of Hema is 4 times the age of Mary.for this choose correct linear equation

• x=4y

• x+4y=0

• 4x=1/4y

• 2x=4y

Ravi and Rohit together gave Rs 250 to CM relief fund

• x-y=250

• xy=250

• x+y=250

• x/y=250

Pooja marks are 10 more than the twice the Ashas marks

• x+2y=10

• x-2y=10

• 2x-2y=10

• 2x-4y=10

If (3,2) is the solution of 5x-7y=k then k=

• -1

• 1

• 10

• 2

If the cost of a ball pen is Rs.5 less than the half of the cost of an ink pen

• x=1/2y-5

• x+5=1/2y

• x-5=1/2y

• 5x=1/2y

Equations of x axis is

• x=1

• x=0

• y=0

• y=1

Equation of a line parallel to x-axis

• y=k

• x=k

• x=0

• y=0

Equation of y -axis

• y=0

• x=0

• y=1

• x=1