21.
The point of intersection of two coordinate axes is called:
A
Origin
B
Centre
C
X-coordinate
D
y-coordinate
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The point of intersection of two coordinate axes is called:
Origin
Centre
X-coordinate
y-coordinate
The plane formed by two straight lines perpendicular to each other is called:
Cartesian plane
Coordinate axes
Plane
None of these
The coordinates for the origin in the coordinate plane are
(1,1)
(0,0)
(0,1)
(1,0)
Quadrant which has a negative x value but a positive y value is
I
II
III
IV
Quadrant IV contains all points with coordinates:
(x, y)
(-x, y)
(x, -y)
(-x, -y)
Point (-3, -3) lies in quadrant:
I
II
III
IV
Point (2 -3) lies in quadrant:
I
II
III
IV
Point (1,1) lies in quadrant:
I
II
III
IV
Point (1, -3) lies in quadrant:
I
II
III
IV
Point (-1, 2) lies in quadrant:
I
II
III
IV
In the quadrant lV, the X value is always............., and the Y value is always........
positive , negative
negative, negative
negative , positive
positive , positive
If y = 2x + 1, x = 2 then y is:
2
3
4
5
If (x–1, y+1) = (0, 0), then (x, y) is:
(1, -1)
(-1, 1)
(1, 1)
(-1, -1)
If (x, 0) = (0, y), then (x, y) is:
(0, 1)
(1, 0)
(0, 0)
(1, 1)