If a variable line drawn through the intersection of the lines x 3 + y 4 = 1 and x 4 + y 3 = 1 , meets the coordinate axes at A and B , A ≠ B , then the locus of the midpoint of AB is:

14 x + y 2 - 97 x + y + 168 = 0

MEDIUM

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The three lines given by the combined equation $y^{3} - 4 x^{2} y = 0$ represents _______

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Important Questions on The Straight Line

EASY

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

The equation of the line passing through

(a, b)

and parallel to the line

\frac{x}{a} + \frac{y}{b} = 1

EASY

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

If the lines

2 x - 3 y + 5 = 0, 9 x - 5 y + 14 = 0

and

3 x - 7 y + λ = 0

are concurrent, then the value of

λ

is equal to

MEDIUM

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

Two vertices of a triangle are

(0, 2)

and

(4, 3) .

If its orthocenter is at the origin, then its third vertex lies in which quadrant?

EASY

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

Lines are drawn parallel to the line

4 x - 3 y + 2 = 0,

at a distance

\frac{3}{5}

units from the origin. Then which one of the following points lies on any of these lines?

EASY

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

Let each of the equations

x^{2} + 2 x y + a y^{2} = 0

and

a x^{2} + 2 x y + y^{2} = 0

represent two straight lines passing through the origin. If they have a common line, then the other two lines are given by

HARD

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

The line which is parallel to

x

-axis and crosses the curve

y = \sqrt{x}

at an angle

45 °

, is

EASY

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

If the lines

L_{1} \equiv 2 x + y + 3 = 0, L_{2} \equiv k x + 2 y - 3 = 0

and

L_{3} \equiv 3 x - 2 y + 1 = 0

are concurrent then the cosine of the acute angle between the lines

L_{2} = 0

and

2 x - 5 y + 7 = 0

EASY

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

Answer the question on the basis of the following figure.

If AB is parallel to EC and $∠ B C D = 72^{°}$ , what will be that value of $∠ B A C$ ?

Question Image

MEDIUM

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

Let

C

be the centroid of the triangle with vertices

(3, - 1), (1, 3)

and

(2, 4) .

Let

P

be the point of intersection of the lines

x + 3 y - 1 = 0

and

3 x - y + 1 = 0 .

Then the line passing through the points

C

and

P

also passes through the point

HARD

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

The line

(K + 1)^{2} x + K y - 2 K^{2} - 2 = 0

passes through a point regardless of the value of

K

. Which of the following is the equation of the line with slope

2

and passing through that point?

MEDIUM

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

Slope of a line passing through

P (2, 3)

and intersecting the line

x + y = 7

at a distance of

4

units from

P,

MEDIUM

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

The equation of the line passing through the point of intersection of lines

2 x - y + 2 = 0

and

x + y + 4 = 0

and the point

(5, - 2)

EASY

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

The

y

-intercept of the line passing through

A (6, 1)

and perpendicular to the line

x - 2 y = 4

is …

EASY

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

Consider the set of all lines

p x + q y + r = 0

such that

3 p + 2 q + 4 r = 0 .

Which one of the following statements is true?

HARD

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

The equation of a straight line which passes through the point

(a \cos^{3} θ, a \sin^{3} θ)

and perpendicular to

x secθ + y c o s e c θ = a

HARD

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

Straight lines

3 x + 4 y = 5

and

4 x - 3 y = 15

intersect at the point

A

. If point

B

and

C

are chosen on these two lines such that

A B = A C

, then the possible equation of the line

B C

passing through the point

(1, 2)

EASY

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

(a, 2)

is the point of intersection of the straight the straight lines

y = 2 x - 4

and

y = x + c

, then the value of

c

is equal to

HARD

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

If the orthocenter of the triangle formed by the lines

2 x + 3 y - 1 = 0, x + 2 y + 1 = 0

and

a x + b y - 1 = 0

lies at origin, then

\frac{1}{a} + \frac{1}{b} =

HARD

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

Let

a, b

and

c

be distinct and none of them is equal to

1

. If the lines

x + a y + a = 0

b x + y + b = 0

and

c x + c y + 1 = 0

are concurrent, then the value of

\frac{a}{a - 1} + \frac{b}{b - 1} + \frac{c}{c - 1}

HARD

Mathematics>Coordinate Geometry>The Straight Line>Intersection of Straight Lines

If a variable line drawn through the intersection of the lines

\frac{x}{3} + \frac{y}{4} = 1

and

\frac{x}{4} + \frac{y}{3} = 1

, meets the coordinate axes at

A

and

B

(A \neq B),

then the locus of the midpoint of

AB

is:

The three lines given by the combined equation y3-4x2y=0 represents _______

Important Questions on The Straight Line

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The three lines given by the combined equation $y^{3} - 4 x^{2} y = 0$ represents _______