The number of the straight which is equally inclined to both the axes is


A) 4

B) 3

C) 5

D) 1

Correct Answer:
A) 4

Description for Correct answer:
There are four possible straight line which are equally inclined in both the axes.

i.e., Ist, IInd, IIIrd and IVth quadrant.

Part of solved Straight lines questions and answers : >> Elementary Mathematics >> Straight lines








Comments

No comments available




Similar Questions
1). The line passing. through \( \Large \left(1-\frac{ \pi }{2}\right) \) and perpendicular to \( \Large \sqrt{3} \sin \theta + 2\cos \theta =\frac{4}{r} \), is:
A). \( \Large 2=\sqrt{3}r\cos \theta-2r\sin \theta \)
B). \( \Large 5=2\sqrt{3}r\sin \theta +4r\cos \theta \)
C). \( \Large 2=\sqrt{3}r\cos \theta + 2r\sin \theta \)
D). \( \Large 5=2\sqrt{3}r\sin \theta + 4r\cos \theta \)
-- View Answer
2). If the straight line \( \Large ax+by+c=0 \) always passes through \( \Large \left(1-2\right) \) then abc are
A). in AP
B). in HP
C). in GP
D). none of these
-- View Answer
3). Two points A and B have co-ordinates (1, 1) and (3, -2) respectively. The co-ordinates of a point distant \( \Large \sqrt{85} \) from B on the line through B perpendicular to AB are:
A). (5, 7)
B). (7, 4)
C). (4, 7)
D). (-5, -3)
-- View Answer
4). The equation of pair of lines joining origin to the points of intersection of \( \Large x^{2}+y^{2}=9 \) and \( \Large x+y=3 \) is:
A). \( \Large x^{2}+ \left(3-x^{2}\right)=9 \)
B). \( \Large \left(3+y\right)^{2}+y^{2}=9 \)
C). \( \Large xy=0 \)
D). \( \Large \left(x-y\right)^{2}=9 \)
-- View Answer
5). Separate equations of lines for a pair of lines whose equation is \( \Large x^{2}+xy-12y^{2}y^{2}=0 \), are
A). \( \Large x+4y=0\ and\ x+3y=0 \)
B). \( \Large x+4y=0\ and\ x-3y=0 \)
C). \( \Large x-6y=0\ and\ x-3y=0 \)
D). \( \Large 2x-3y=0\ and\ x-4y=0 \)
-- View Answer


6). The equation \( \Large 12x^{2}+7xy+ay^{2}+13x-y+3=0 \) represents a pair of perpendicular lines. Then the value of 'a' is:
A). \( \Large \frac{7}{2} \)
B). -19
C). -12
D). 12
-- View Answer
7). If the \( \Large \angle \theta \) is acute, then the acute angle between \( \Large x^{2} \left(\cos \theta -\sin \theta \right)+2xy \cos \theta +y^{2} \left(\cos \theta +\sin \theta \right)=0 \) is
A). \( \Large 2 \theta \)
B). \( \Large \frac{ \theta }{3} \)
C). \( \Large \theta \)
D). \( \Large \frac{ \theta }{2} \)
-- View Answer
8). The equation \( \Large 2x^{2}-24y+11y^{2}=0 \) represents:
A). two parallel lines
B). two lines passing through the origin
C). two perpendicular lines
D). a circle.
-- View Answer
9). Lines \( \Large 2x+y=1\ and\ 2x+y=7 \) are
A). on the same side of a point \( \Large \left(0,\ \frac{1}{2}\right) \)
B). on the Opposite side of a point \( \Large \left(0,\ \frac{1}{2}\right) \)
C). same lines
D). perpendicular lines.
-- View Answer
10). Set of lines \( \Large \left(x-2y+1\right)+h \left(x+y\right)=0 \) (where h is a parameter) passing through a fixed point:
A). \( \Large \left(\frac{1}{3},\ -\frac{1}{3}\right) \)
B). \( \Large \left(-\frac{1}{3},\ \frac{1}{3}\right) \)
C). (1, 1)
D). none of these
-- View Answer