Inconsistent Pair of LE

Q.

Which of the following pairs of linear equations is inconsistent?
$1.x+3y–5=0,2x+y=0$
$2.2x+y=1,2y=2–4x$
$3.2x–y=2,2y–4x=2$

1. $x+3y–5=0,2x+y=0$

2. $2x+y=1,2y=2–4x$

3. $2x–y=2,2y–4x=2$

4. All of the above.

Q.

When a system of linear equations has no solution, what does it mean?

1. The lines are parallel.

2. The lines are perpendicular to each other.

3. The lines intersect at a point.

4. The lines coincide.

Q.

Find the slope and the y-intercept of the graph of the linear equation

y =$\frac{2}{3}x+1$

Q.

Given graph represents _______________ pair of linear equation having _____________solution(s).

1. Consistent, unique

2. Inconsistent , zero

3. None of these

4. Dependent, infinite