Question

Need help plz been stuck on this for awhile cant find anything to help give medal and fan

Answer 1

Cant read too blurry

Answer 2

ok

Answer 3

Find the square of each imaginary number.

1.-3i

2.\[i \sqrt{3}\]

3.\[2i \sqrt{5}\]

Answer 4

This is the basic fact you need to start with:
\[i=\sqrt{-1}\]
From there we get
\[i^2=-1\]

Answer 5

1. (-3i)² = (-3)²(i)² = 9(-1) = -9
make sense?

Answer 6

Oh ok cuz the 2 is saying 3 x 3=9

Answer 7

right

Answer 8

Ok so lets c if i can get the 2nd one and u check it if u want

Answer 9

ok

Answer 10

Wouldt it be the same since its 3 as well but negitive

Answer 11

right it's -3

Answer 12

Sweet

Answer 13

ok so 3 would be like 5x5 since theres a 2 or it would be that and 2x2 because they all have the exponent of 2

Answer 14

they would all have the exponent

Answer 15

ok so it will be 5x5 and 2x2

Answer 16

√5 * √5 and 2*2

Answer 17

what does that sign mean againt not the * sign but doesn't that mean divide

Answer 18

*again

Answer 19

that's the square root sign. it basically cancels the exponent

Answer 20

oh ok