Mathematics MCQS for class 12 with Answers
The ordered pair (x,y) are the directed distances of P from the
None of these
Axes
Origin
Centre
A(1, 3) and C(5,1) are two opposite vertices of a rectangle ABCD. If the slope of the line DB is 2, then the equation of BD is
None of these
2x – y = 4
4x – 2y = 3
2x – y = 1
The point p(x1,y1) is below the line ax +by +c = o if ax1 +by1 + c and have the.
Opposite sign
same sign
Equal
none of these
If P(1, 0), Q(-1, 0) and R(2, 0) are three given points, then the focus of point S satisfying the relation SQ2+ SR2= 2SP2is
A straight line parallel to x-axis
Circle with centre at the origin
A straight line parallel to y-axis
Circle through the origin
If the sum of the distances of a point from two perpendicular lines in a plane is 1, then locus is
Circle
Square
Two intersecting lines
Straight line
If a pair of opposite sides of a quadrilateral are equal and parallel then it is a
None of these
Parallelogram
Rhombus
Rectangle
The line l is vertical if and only if slope is
1
2
0
undefined
If a ? 0 and b ? o then the slope of the line as + by +c = is:
zero
a/b
b/a
a-/b
If the distance of the point (5, b) from x-axis is 3 then b=————
b – 3
0
5
3
The liner represented by ax2+2hxy +by2 = 0 are real and imaginary if:
H2 < ab
h2 > ab
h2 = ab
None of these
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