www.bbcnoun.com.ng ECO255 8/10 1. In the equation 20x +5 < 65 , x is ___ < 3 2. The notation a ? b means a is not equals to b 3. Zero(0), can be classified under which of the following real and imaginary number 4. 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 Complex number 5. The respective values of x and y in 2x -3y =-2 …(1) and 4x + y = 24….(2), are 5,4 6. If a is less than b, then a +c is less than b+c. What property of inequality is displayed in the statement? addition property 7. If m > 0, then -m = < 0 8. 3+4=4+3. What property of number system is displayed here ? Commutative property 9. What value will (i) raised to power 8 give? i 10. The value of y in this equation 4y + 5 = y - 4 is ___ -3