Question

i need help i'm not good with sqrt!! Simplify the following expression sqrt -7 sqrt -105

Answer 1

\[\sqrt{-7 \sqrt{-105}}\]Like that?

Answer 2

no they are separated like \[\sqrt{-7 \sqrt{-105}}\]

Answer 3

\[\sqrt{-7} \sqrt{-105}\]Like that?

Answer 4

yes

Answer 5

well, im not good at that eather.

Answer 6

yeah the whole algebra thing to me is confusing

Answer 7

4th grade is not at all like that, but tag is pre algebra.

Answer 8

tag stands for talented and gifted.

Answer 9

i am tag in math.

Answer 10

Just a sec.

Answer 11

Oh I am in college and it's elementary and intermediate algebra I never had that in school

Answer 12

ok

Answer 13

well, im getting...
\[-7 \sqrt{15}\]

Answer 14

College algebra is easy as cake! :D

Answer 15

not for me I never had it in high school I just recently went back to school and am taking online courses to become a nurse I really don't see how algebra relates to my career choice.

Answer 16

Well, it's compulsory for most of the courses offered in Online classes.

Answer 17

there is no such thing as elementry algebra. but, tag homwork this week is algebra.

Answer 18

lol, there is that algebra as well @ash

Answer 19

yeah I guess it's a requirement

Answer 20

Hmm, yea.. and it's good..

Answer 21

if i get best grades on my tests, i will go to tag school, and then I automacatlly get to go to college.

Answer 22

kewl.

Answer 23

but tag school is like college aredy.

Answer 24

I guess it's good that I learn it since I have kids in school

Answer 25

yeah.

Answer 26

it's different.. college algebra is math 117/116 which is taught in grades 10-11-12.

Answer 27

I never took it in high school so it's all new to me

Answer 28

i do college algebra beacuse I am as smart as a 10th grader.

Answer 29

that is what tag means.

Answer 30

thats a good thing you are that smart at math

Answer 31

@ash, what are u studying now?

Answer 32

hehe. thanks.

Answer 33

i have completed college algebra like 12 times! :O

Answer 34

simple pre alegbra. i dont need any help though.

Answer 35

Cool.

Answer 36

thanks. my brother wont let my brother play football until he i8s the fastest kid on his scoocer team. witch he is.

Answer 37

i mean dad

Answer 38

Lol.

Answer 39

But online courses are very easy as compared to real college subjects..

Answer 40

Like online college math is way easier than real college math.

Answer 41

ive done 8 of them and working on my 9th.

Answer 42

I like math.. since we have versatility to do this in out own way..

Answer 43

i dont, but there is a ribbon of math in my family tree.

Answer 44

my dad is a engeneer and my grandpa is a phyics teacher.

Answer 45

wow. My dad was a teacher, same as me. ^_~

Answer 46

im thinking of being a eygptoligest.

Answer 47

sounds cool!!!!!o_O

Answer 48

a person that studys acient eygept.

Answer 49

Me in future = Software Engg. :D

Answer 50

oh.

Answer 51

sounds exiting.

Answer 52

It is. :D

Answer 53

@saifoo, the answer should be:\[\sqrt{-7}\sqrt{-105}=\sqrt{(-7)*(-105)}=\sqrt{735}=\sqrt{49*15}=7\sqrt{15}\]i.e. the two minuses cancel each other out.