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Math 12 Chapter 5
Linear Inequalities and Linear Programming
Test - 4
1.
ax + by # c
a) 3rd half plane
b) Open half plane
c) 1st half plane
d) Close half plane
2.
If ax + by # c and d @ 0 then:
a) a/d x + b/d y @ c/d
b) cdx + bdy @ cd
c) a/d x + b/d y # c/d
d) a/d x + b/d y # c/d
3.
The linear Eq. X = o represents:
a) A line parallel to y-axis
b) x-axis
c) y-axis
d) A linear parallel to x-axis
4.
The linear Eq. Y = 0 represents:
a) y-axis
b) A line parallel to x-axis
c) x-axis
d) A line parallel to y-axis
5.
If x + y = 3 then the solution set contains:
a) Infinite many elements
b) Finite number of element
c) Empty set
d) Only one element
6.
ax + by
£
c
a) 2nd half plane
b) 3rd half plane
c) Closed half plane
d) Open half plane
7.
Corner point
a) Crossection of boundary lines
b) Mid point of straight line
c) Intersection of boundary lines
d) Mid point of crossing lines
8.
Non vertical line
a) Left and Right half planes
b) Parallal sides plane
c) Half plane
d) Upper and Lower half plane
9.
ax + by = c
a) Linear Eq
b) Associated Eq
c) Quadratic Eq
d) Non Associated Eq
10.
The linear Eqs. X-3y+1=0 and 2x-6y+7=0:
a) Intersect at ''a'' point
b) (2,1) is a point of intersection
c) Do not intersect
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