Question

Find all zeros of each equation.
1. x^5 - 3x^4 - 15x^3 + 45x^2 - 16x + 48 = 0

a) 3, 4, i
b) 4, -4, i, -i
c) 3, 4, -4, i, -i
d) 3, -4, -i


2.
7x^2 - 144 = -x^4

a) 3, -3, 4i, 0
b) 3, 4i
c) 3, -3, 4i, -4i
d) -3, -4i


Only reply if you're in Connections and have taken this quick check. Thanks.

Answer 1

What grade? :)

Answer 2

11th

Answer 3

Ok, good same grade! What Unit and lesson?

Answer 4

Unit 5 lesson 6

Answer 5

Ouch! I'm only on the Unit 3 Unit test...

Answer 6

Think you can help me out instead to catch up to you? :)

Answer 7

Oh dang..

Answer 8

Sure why not

Answer 9

Uh, Hello? Anyone there?

Answer 10

Wha?

Answer 11

Ok sorry I think my PC is slow! hehe

Answer 12

Well would you want to tell me hear or via email?

Answer 13

Haha contain your calm

Answer 14

here* and uh here

Answer 15

Haha ok thanks! Let me send in the unit reveiw Portfolio and i'll be back here K?

Answer 16

SUuure Hurry up

Answer 17

Ok i'm ready!

Answer 18

flvs they are both c