TMA

TMA2/ECO255 – Mathematics For Economist I

TMA Quiz Questions
TMA: TMA2/ECO255
Matric Number:  SCORE=9.00
ECO255 – Mathematics For Economist I
Mrs. Odishika Vivian Anietem (vodishika@noun.edu.ng )
1 When the sign in the middle of two binomials is changed or negated, we have what is called
2 The decimal value of this base 2 number 11001000 is
3 The notation x ≥ y means
4 If a is less than b, then a +c is less than b+c. What property of inequality is displayed in the statement?
5 Given 5x + 3 < 18, the value of x is ?
6 The answer gotten when this two complex numbers (10+ 3i)- (6+2i) are added is
7 The division of these two complex numbers (5+3i) and (3-2i) is ?
8 The binary value of this number 3710 is
9 The notation a ≠ b means
10 The solution set of x – 6 > 12 from the replacement set {13, 15, 17, 19, 26} is
11 Converting these base ten numbers 7 and 8 to base 8, will give us
12 The value of 10 raised to the power -5 is
13 If m > 0, then -m =
14 Find the solution of the inequality 7 – x ≤ 9
15 An acute angle is an angle from
16 Given the number 10 raised to the power zero , identify the base and index
17 Complex Number is made up of
18 One of these is not a properties of number system
19 What property of the number system is shown here 2 + -2 = 0, 3 × (1/3) = 1
20 An imaginary number bi can be added to a real number a to form a number of the form a+ bi. This number formed is called
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