1 |
x = 2 is a vertical line perpendicular to _____________: |
x - axis
x - axis may be
y - axis
None of these
|
2 |
The inequality y > b is the open half plane to the ______ of the boundary line y = b: |
Above
Left
Below
Right
|
3 |
ax + b > c is an inequality of: |
One variable
Three variable
Two variable
Four variable
|
4 |
The inequality x < a is the open half plane to the __________ of the boundary line x = a: |
Above
Left
Below
Right
|
5 |
ax + b < c is a inequality of: |
One variable
Two variable
Three variable
Four variable
|
6 |
|
One variable
Three variable
Two variable
Four variable
|
7 |
A solution of a linear inequality in x and y is an ordered pair of numbers, which _______ the inequality. |
Does not satisfy
May be stisfied
Satisfies
None of these
|
8 |
The operation _______ by a positive constant to each side of inequality will affect the order (or sense) of inequality: |
Adding
Subtracting
Multiplying
None of these
|
9 |
y = b is a horizontal line perpendicular to ________: |
x - axis
y - axis may be
y - axis
None of these
|
10 |
y = b is a horizontal line parallel to _________: |
x - axis
x - axis may be
y - axis
None of these
|
11 |
x = a is a vertical line perpendicular to __________. |
x - axis
x - axis may be
y - axis
None of these
|
12 |
x = c is a vertical line parallel to __________. |
x-axis
y-axis may be
y-axis
None of these
|
13 |
Non-vertical lines divide the plane into___________half plane: |
Upper and lower
Many
Left and Right
None of these
|
14 |
Two non parallel lines intersect each other at: |
1 point
2 points
3 points
4 points
|
15 |
Equation of the line parallel to x + 3y - 9 = 0 is: |
3x - y - 9 = 0
3x + 9y + 7 = 0
2x - 6y - 18 = 0
x - 3y + 9 = 0
|
16 |
A linear equation in two variables represents: |
Circle
Ellipse
Hyberbola
Straight line
|
17 |
The centroid of the triangle whose vertices are (3, -5), (-7, 4) and (10, -2) is: |
(-2, -2)
(-2, 2)
(2, -1)
(0, 0 )
|
18 |
ax + by + c = 0, will represent equation of straight line parallel y-axis if: |
a = 0
b = 0
c = 0
a = 0, c = 0
|
19 |
Joint equation of y + 2x = 0, y - 3x = 0 is: |
(y+2x)(y-3x) = 0
(y-2x)(y-3x) = 0
(y+2x)(y+3x) = 0
(y-2x)(y+3x) = 0
|
20 |
A pair of lines of homogeneous second degree equation ax2 + 2hxy + by2 = 0 are othogonal, if: |
a - b = 0
a + b = 0
a + b > 0
a - b < 0
|