MEDIUM
11th CBSE
IMPORTANT
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One vertex of the equilateral triangle with centroid at the origin and one side as x+y-2=0 is

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Important Questions on Straight Lines

EASY
11th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 11>Chapter 10 - Straight Lines>EXERCISE>Q 42
If a, b, c are in A.P., then the straight lines ax+by+c=0 will always pass through _____.
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 11>Chapter 10 - Straight Lines>EXERCISE>Q 43
The line which cuts off equal intercept from the axes and pass through the point (1,-2) is_____. (Form of equation of line is ax+by+c=0)
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 11>Chapter 10 - Straight Lines>EXERCISE>Q 45
The points (3,4) and (2,-6) are situated on the _____ of the line 3x-4y-8=0.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 11>Chapter 10 - Straight Lines>EXERCISE>Q 46
A point moves so that square of its distance from the point (3,-2) is numerically equal to its distance from the line 5x-12y=3. The equation of its locus is 13x2+13y2-83x+64y+k=0, k= _____.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 11>Chapter 10 - Straight Lines>EXERCISE>Q 47
Locus of the mid-points of the portion of the line xsinθ+ycosθ=p intercepted between the axes is mx2y2=p2x2+y2, m=_____.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 11>Chapter 10 - Straight Lines>EXERCISE>Q 48
If the vertices of a triangle have integral coordinates, then the triangle cannot be equilateral.
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 11>Chapter 10 - Straight Lines>EXERCISE>Q 49
The points A(-2,1), B(0,5), and C(-1,2) are collinear.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 11>Chapter 10 - Straight Lines>EXERCISE>Q 50
Equation of the line passing through the point acos3θ,asin3θ and perpendicular to the line xsecθ+ycosecθ=a is xcosθ-ysinθ=asin2θ.