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Math 12 Chapter 4
Introduction to Analytic Geometry
Test - 3
1.
Equation of straight line with slope m and passing through (x
1
,y
1
) is:
a) y-y
1
= x-x
1
b) y-y
1
= m(x-x
1
)
c) x/x
1
+ y/y
1
= 1
d) y
1
= mx
1
+ c
2.
Equation of x-axis is
a) x-y = 0
b) y = 0
c) x = 1
d) x = 0
3.
Equation of a st. line having x-intercept ''a'' and y-intercept ''b'' is:
a) x/a + y/b = 0
b) a/x + b/y = 1
c) x/a + y/b = 1
d) x/a - y/b = 1
4.
If slope of AB = Slope of BC then the points A, B and C are:
a) Collinear
b) Coincident
c) Non-collinear
d) vertices of triangle
5.
The equation x cos
a
+ y sin
a
= p is in the form:
a) Intercept
b) Perpendicular
c) Slope-intercept
d) Symmetric
6.
If a line l is parallel to y-axis then inclination
a
=:
a) 80
o
b) 0
o
c) 90
o
d) 45
o
7.
A general equation of a straight line is of degree
a) Three
b) Two
c) One
d) Y-axis
8.
Equation of the line passing through (8,-3) having slope 0 is:
a) x = 8
b) y = 3
c) y + 3 = 0
d) x-3 = 0
9.
Equation of a line passing through (x
1
,y
1
), (x
2
,y
2
) is:
a) (y-y
2
) (y
2
-y
1
) = (x-x
2
) (x
2
-x
1
)
b) (y-y
1
) (x
2
-x
1
) = (y
2
-y
1
) (x-x
1
)
c) y-y
2
= (x-x
2
)
d) y-y
1
= x-x
1
10.
If m
1
and m
2
are the slopes of two lines l
1
and l
2
then the angle θ between them is:
a) tan θ = m
2
-m
1
/1-m
1
m
2
b) tan θ = m
2
-m
1
/1+m
1
m
2
c) tan θ = m
2
+m
1
/1-m
1
m
2
d) tan θ = m
2
+m
1
/1+m
1
m
2
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