Mathematics MCQS for class 12 with Answers
If x<0, y<0 then the point P(x,y) lies in the quadrant:
4th
3rd
2nd
1st
Point-slope form of equation of a straight line:
y-y1=mx1
y+y1=m(x+x1)
y-y1=m(x-x1)
y=mx+c
The distance of a point P(x,y) from origin is:
x-y
x2+y2
x+y
?(x2+y2 )
If a=0 then ax+by+c=0, shows that line is:
Both(a)&(b)
Parallel to y-axis
None of these
Parallel to x-axis
The centroid of a triangle is a point that divides each median in the ratio
2:01
2:03
1:03
4:03
The distance of the point (-2, 3) from y-axis is
-2
1
2
3
y = c a line
None of these
Parallel to y-axis
Perpendicular to y-axis
Perpendicular to x-axis
The point of concurrency of medians of triangle is called
cicumventer
Centroid
In-centre
Orthocentre
Equation of horizontal line through (a, b) is
x = b
y = b
y = a
x = a
If l :ax+by+c=0 & P(x1,y1) also a1x + by1 + c >0 then point P is
Below the line
None of these
No result
Above the line
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