Linear Equation in Two Variables

What is the point of intersection of the lines represented by 3x-2y=6 and the y-axis ?

• 0,-3

• 0,3

• 3,0

• -3,0

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

• intersecting lines

• parallel lines

• skew lines

• intersecting lines

The value of c for which the pair of equations cx – y = 2 and 6x – 2y = 3 will have infinitely many solutions is 

• 3 

• – 3 

• –12 

• no value

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

• –5/4

• 2/ 5 

• 15/4

• 3/2

The equations 4x + 3y = 5 and 12x + 9y = 15 represent 

• No  solution

• Infinite many solution

• Unique solution

^{What is the solution?} 

• 1

• -2

• (1, 2)

• (1, -1)

How can you tell if a point is a solution to a system?

• It makes the first equation true.

• The (x,y) coordinates satisfy both equations

• It makes logical sense

• It makes neither equation negative

Lines represented by the equations x = 7 and x = -5 in cartesian plane are ______________ lines.

• parallel

• Intesecting

• Coincident

Does the point (2,3) lie on the line

3x-2y=5

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• YES

• NO

• CANT SAY ANYTHING

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

• Parallel

• Always coincident.

• Always intersecting.

• Intersecting or coincident.