Representing pair of LE in 2 variables graphically

Q. A line represented by x+y=5 intersects the y-axis at (0, 5) and the x-axis at (5, 0). The point also lies on the same line

1. (3, 2)
2. (3, 4)
3. (4, 3)
4. (4, 2)

Q.

Choose the pair of equations which satisfies the point (1, -1).

1. $4x–y=3,4x+y=3$

2. $2x+3y=5,2x+y=-1$

3. $4x+y=3,3x+2y=1$

4. $2x+y=3,2x–y=1$

Q. Which point in the graph shows (3, -14)?

1. C
2. D
3. A
4. B

Q.

The equation $2x-y=0$ represents the line given in the graph shown below.

1. False

2. True

Q. Consider two equations in the variables x and y written in the standard form:
$5x+6y+4=0and$
$10x+12y+7=0$
What is the nature of these two lines?

1. Intersecting
2. Parallel
3. Coincident or parallel
4. Coincident

Q. For what value of $c,$ the linear equation $2x+cy=8$ has equal values of $x$ and $y$ for its solution.