Mathematics
10 Online
OpenStudy (alois_trancy):
Help Again Please XD Will Fan And Medal!
Given f(x) = 3x – 5, what is f(–4)?
A. -6
B. 7
C. 1/3
D. -17
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (baru):
3x - 5
replace the letter x with (-4)
can you do that?
OpenStudy (alois_trancy):
Yeah Thanks :3
OpenStudy (baru):
what do you get?
OpenStudy (alois_trancy):
I'm Figuring It Out
OpenStudy (alois_trancy):
-17
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (baru):
yep :)
i hope you aren't guessing :P
OpenStudy (alois_trancy):
I Promise I'm not :3 Could you help me with a few others? If Not That's okay! :)
OpenStudy (baru):
i'll help :)
but you have to work it out yourself
OpenStudy (alois_trancy):
Alrighty! One Second
OpenStudy (alois_trancy):
What is the slope of the graph of 8x – 4y = 11?
A. 2
B. 1/2
C. -2
D. -1/2
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (baru):
first you have to put it in this form
y= mx + c
can you try that?
OpenStudy (alois_trancy):
I think so...
OpenStudy (baru):
what do you get?
OpenStudy (alois_trancy):
-2? If not, I did the math wrong..
OpenStudy (baru):
what did you get when you put it in the form y=mx + c ?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (alois_trancy):
One sec...
OpenStudy (alois_trancy):
2
OpenStudy (alois_trancy):
@baru
OpenStudy (baru):
guessing aren't you :P
sorry cant give you the answer, i can only tell you the steps to follow.
OpenStudy (alois_trancy):
I will let you know that no, i'm not guessing, you can think what you want to but the truth is the truth....