Mathematics – Class 11 Practice Test 7

1. If the two lines are perpendicular then difference of their inclination angle is ________

2. Find the distance between 2x+y+4=0 and 2x+y+8=0.

3. _____________ is the midpoint of (1, 2) and (5, 8).

4. If -40°F is equal to -40°C and 0°C is equal to 32°F then find the value of 40°C.

5. What is the inclination of a line which is parallel to y-axis?

6. If line joining (1, 2) and (5, 7) is parallel to line joining (3, 4) and (11, x).

7. Line perpendicular to line joining (1, 3) and (4, 5) and pass through (2, 4) has equation ____________

8. Angle made by line with ____________ measured anticlockwise is called inclination of the line.

9. What is the slope of a line which is parallel to y-axis?

10. Equation of vertical line to the right of y-axis at 5 units from y-axis is _______