Question

Solve -2x2 +3x - 9 = 0.

Answer 1

u have the answer

Answer 2

A.x= \[3\pm3i \sqrt{7} \over 4\]
B.\[x= 3\pm 9i \sqrt{7} \over 4\]
c.\[x= -3\pm3i \sqrt{7} \over 4\]
D. \[x= -3\pm 9i \sqrt{7} \over 4\]

Answer 3

Those are the options /: i really dont understand this.. Especially without a teacher..

Answer 4

ok now i get it

Answer 5

Can you explain it?

Answer 6

ok

Answer 7

Thank you !

Answer 8

are u on flvs

Answer 9

yeah ..

Answer 10

ok math 1 2 or 3

Answer 11

algebra 2

Answer 12

ok can u send me your lesson because i dont know wat process to use

Answer 13

its supposed to be something to do with solving quadratic equations with complex solutions

Answer 14

ok

Answer 15

its c

Answer 16

Because all u do is plugin

Answer 17

plug in what

Answer 18

look at c do u see the -3 plug that in as x

Answer 19

yes..

Answer 20

ok now do the same to 9

Answer 21

i just dont understand how to get the answers or anything with this quadratic stuff.. ive been stuck on this module for like 2 weeks..

Answer 22

thats ok im stuck in my module too

Answer 23

go on khan academy.com it will help

Answer 24

okay.. thanks! i got a bad score on that quiz /: i ll have to re do it.. .-.

Answer 25

ok