1 |
Given the demand and supply cautions qo = -8p + 2000 and qs = 12 p - 200 respectively the equilibrium price. |
p = 100
p = 110
p = 120
p = 140
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2 |
if we are told that the two statements y = 3x2 and y = x + 10' are bout true at the same time , they are called. |
Implicit functions
explicit functions
Simultaneous equations
Quadratic equations
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3 |
A linear function of the form 6x2 - 2y + 8 = 0 is known as. |
Explicit function
implicit function
Quadratic function
All of the above
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4 |
The point at which the graph cuts the x axis is called. |
x- intercept
y - intercept
slope
None of these
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5 |
The value of the dependent variable where the graph cuts the y-axis is called. |
X - intercept
Y- intercept
Slope
None of these
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6 |
The increase in dependent variable that results when the independent variable increases by one unit in a simple lines. function is called. |
Y intercept of the curve
Slope of the curve
X intercept of the curve
Marginal value
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7 |
A function where a variable x can only very in jumps, is often called. |
Non linear functions
Inverse function
Step function
All of above
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8 |
The function y = 2x + 1 and x = 1/2 y - 1/2 are said to be. |
Non linear functions
Inverse functions
Step functions
All the above
|
9 |
The variable that stands alone on the left hand side of the equation such as y = 2x + 1 is known as. |
Dependent variable
Independent variable
Endogenous variable
Explained variable
|
10 |
A variable which is free to take any value we choose to assign to it is called. |
Dependent variable
Independent variable
Endogenous variable
Explained variable
|
11 |
If any equation involving two variables, such as y -=2x + 1, the variable that appears on the right hand side of the equation is by convention called. |
Dependent variable
independent variable
Endogenous variable
Explained variable
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12 |
Given or known values in an equation are called. |
Constants
Parameters
Coefficients
All of the above
|
13 |
Unknown values in an equation are called. |
Constants
Numeraire
Variables
All of the above
|
14 |
any number raise to the power zero is always equal to. |
zero
one
two
The number itself
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15 |
The set of subsets of a set A is called. |
Power set of A
Complement of A
Both a and b
None of these
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16 |
The set of all elements belonging to A but not to B is. |
B - A
A - B
A'
B'
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17 |
A set containing all the elements of the universal set except those of set A is called. |
Complement of set A
Complement of universal set
Union of A and universals set
Universal set itself
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18 |
if two sets do not have any common element, then they are called. |
Complement sets
Joint sets
Disjoint sets
None of these
|
19 |
If a Set C contain all the elements which are present in both the set A and B then set C is called. |
Union of A and B
Intersection of A and B
Complement of A
Complement of B
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20 |
If B is a subset of A, then AUB = |
B
Intersection of A and B
A
None of these
|
21 |
The associative law of union is |
AU (BUC= (AUB)
U C
AUB = BUA
BUC = BUA
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22 |
Union of A with B is same as union of B with A, that is AUB = BUA is termed as |
Associative law of union
Cumulative law of union
Reflective law
All the above
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23 |
Union of A and a null set is equal is. |
Intersection of A and null set
Null set
Both a and b
A
|
24 |
Union of A and the universal set is |
A
A'
Universal set
None of these
|
25 |
Union of A with A, that is A U A. |
Complement of A
A itself
Con not be determined
None of these
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26 |
The set which contains all the element of the two given sets A and B, avoiding duplication, is called. |
Intersection of A and B
Union of A and B
Set A and B
None of these
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27 |
"Null set is proper subset of all the non nul sets" this statement is. |
Always true
sometimes true
Never true
True subject to some conditions
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28 |
In Vann diagram the universal set is represented by |
Points within a rectangle
Points within a circle
Both a and b
None of these
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29 |
If every element of a set B is also an elements of A then |
A is a subset of B
B is a subset of A
A is not a subset of B
B is not a subset of A
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30 |
If two sets contains the same number of distinct elements but not the same elements are called. |
Pie diagram
Venn diagrams
Histogram
Ogives
|