Solutions Linear Equation Two Variables

If x+y=14 and x-y=4 then the values of x and y are_________

• x=4 and y = 5

• x = 9 and y = 7

• x = -6 and y = 5

• x = 9 and y = 5

If a pair of linear equations is consistent then their graph lines will be_______

• Parallel

• Always coincident.

• Always intersecting.

• Intersecting or coincident.

The pair of equation x+2y+5=0 and -3x-6y+1=0 has

• A unique solution

• Exactly two solutions

• Infinitely many solutions

• No solution.

If the system of equations kx - 5y = 2, 6x + 2y = 7 has no solution, then k =___

• -10

• -5

• -6

• -15

The value of k for which the system of equations 3x+5y=0 and kx+10y=0 have infinitely many solutions is _______

• 0

• 2

• 6

• 8

The system of equations kx - y = 2 and 6x - 2y = 3 has a unique solution only when k =_______

• 0

• not equal to 0

• 3

• not equal to 3

If the lines given by 3x+2ky =2 and 2x+5y+1= 0 are parallel then the value of k is _______

The graphs of the equations 2x+3y-2=0 and x-2y-8=0 are two lines which are_______

• Coincident

• Parallel

• Intersecting exactly at one point

• Perpendicular to each other

If a system of equations has no solution, what does the graph look like?

• intersecting lines

• parallel lines

• Perpendicular lines

• coincident lines

29x+37y=103 and 37x+29y = 95 then

• x=1, y=2

• x=2, y=1

• x=3, y=2

• x=2, y=3