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Given that Z=…,-3,-2,-1,0,1,…, the elements of Z can also be called _____ numbers.
Real

A ________ variable is of the form x+iy, where x and y are real numbers.
complex

π,2,3 are examples of ______ numbers.
Irrational

Which is the correct solution of x2+7x+12=0?
-4 and-3

If the discriminant of a quadratic equation is greater than zero. The equation will have two _____ solutions.
Distinct real

The set of all real numbers EXCEPT, _____ numbers are of utmost importance in real analysis.
Complex

The _____ value of a real number c is given byc, if c>0c, if c<0 .
Absolute

If = 14,700,-473,4644,84 . Then, Z is ____.
Closed

Given that z1=3+2i and  z2=4+3i then  z1- z2.
-1-i

If z7=4-3i, thenz7 is
1



1. The equation:x2-4x+5=0 has _____ roots.

Negative

2. 2,4,6,8,10 is a/an ______ sequence.

Infinite

3. An Arithmetic sequence whose first term is 102 and common difference is -3 has its 7th term as _______.

84

4. Given thatz8=3+2i and z9 = 4+3i. The distance between the two complex numbers is

213

5. Simplify i55

-i

B1=m/2<m<5 is a/an ________ interval.

Closed