Powers of I
What is i3 ?
-i
Simplify √64
8
If the discriminant b2-4ac=8,
what type(s) of roots will the function have?
two unequal, irrational roots
(2+4i) + (3-2i)=
5+2i
What is i6 ?
-1
Simplify √-25
5i
If the discriminant b2-4ac=-16,
what type(s) of roots will the function have?
two unequal, imaginary roots
(3+6i) + (1-2i)=
4+4i
What is i24 ?
1
Simplify √-8
2i√2
If the discriminant b2-4ac=0,
what type(s) of roots will the function have?
two equal, rational roots OR one "double" rational root
(5+2i) - (-2+3i)=
7-i
What is (i2)(i4) ?
-1
simplify √-40
2i√10
If the discriminant b2-4ac=4,
what type(s) of roots will the function have?
two unequal, rational roots
(4+2i)(4-2i)=
CONJUGATES!
42+22=16+4=20
What is i103 ?
-i
4+√-36
4+6i
If the discriminant b2-4ac=-24,
what type(s) of roots will the function have?
two unequal, imaginary roots
4(1+i2)=
4+4i2= 4+4(-1) = 4-4=0