Mathematics MCQS for class 12 with Answers
The line represented by ax2+ 2hxy + by2= 0 are orthogonal if
a – b = 0
a + b = 0
none of these
a + b > 0
Distance of point (1, -2) from y-axis is
1
0
-1
undefined
If x>0, y<0 then the point P(x,y) lies in the quadrant:
1st
4th
2nd
3rd
Two lines xy + x2 + y2 = 0 are —————–
none of these
real & distinct
imaginary
real and coincident
The medians of a
Parralel
Concurrent
Mutually perpendicular
None of these
The equation of a line which passes the point (3, 4) and whose intercepts on the axes equal in magnitude but opposite in sign is
x + y – 1 = 0
y – x + 1 = 0
x – y – 1 = 0
None of these
The points A(7,9), B (3,-7) and c (-3,3) are the vertices of
An isosceles triangle
A right triangle
An equilateral triangle
A right angle isosceles triangle
Every homogenous equation of 2nd degree ax2 + 2hxy + by2 = 0 represents two straight lines ——————
through origin
none of these
not through origin
two parallel lines
If (x, y) are the coordinates of a point, then the first component of the ordered pair is called
Ordinates
Coordinate axes
None of these
Abscissa
All points (x,y) with x< 0, y> 0 represent,
II quadrant
IV Quadrant
I quadrant
III quadrant
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