Question

2. Find the number of solutions of the following pair of linear equations. x + 2y – 8 = 0

and 2x + 4y = 16:

a) 0. b) 1. c) 2. d) Infinite

3. If (2, 0) is a solution of the linear equation 2x +3y = k, then the value of k is:

a) 4. b) 6. c) 5. d) 2

4. The graph of the linear equation 2x +3y = 6 cuts the y-axis at the point:

a) (2, 0) b) (0, 3) c) (3, 0) d) (0, 2)

5. The equation y = 5, in two variables, can be written as:

a) 1 .x + 1 .y = 5. b) 0 .x + 0 .y = 5. c) 1 .x + 0 .y = 5. d)0 .x + 1 .y = 5

6. Any point on the line y = x is of the form:

a) (a, –a) b) (0, a) c) (a, 0) d) (a, a)

7. The graph of x = 5 is a line:

a) Parallel to x-axis at a distance 5 units from the origin

b) Parallel to y-axis at a distance 5 units from the origin

c) Making an intercept 5 on the x-axis

d) Making an intercept 5 on the y-axis

8. x = 9, y = 4 is a solution of the linear equation:

a) 2x + y = 17 b) x + y = 17. c) x + 2y = 17 d) 3x – 2y = 17

9. Any point on the x-axis is of the form:

a) (0, y) b) (x, 0) c) (x, x) d) (x, y)

10. If a linear equation has solutions (–3, 3), (0, 0) and (3, –3), then it is of the form:

a)y – x = 0. b)x + y = 0. c) –2x + y = 0. d) –x + 2y = 0

11. The positive solutions of the equation ax + by + c = 0 always lie in the:

a) 1st quadrant. b) 2nd quadrant. c) 3rd quadrant. d) 4th quadrant​

Answer 1

Answer:

THE ANSWER IS 56 km and 18 kg

Step-by-step explanation

THE ANSWER IS 56 km and 18 kg