Ask
your own question, for FREE!
Mathematics
15 Online
evaluate teh polynomial for x=-1 2x2-3x+8 would the answer be 7
Still Need Help?
Join the QuestionCove community and study together with friends!
i mean 2x^2-3x+8
no
\[2(-1)^2-3(-1)+8=2\cdot1+3+8=13\]
2(-1)^2 - 3 (-1) + 8 2 - (-3) + 8 = 13
how you got 7? or it was just question?
Still Need Help?
Join the QuestionCove community and study together with friends!
i dont even know i think i 8-1
you need to put -1 instead of x
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
serenitystXrgazer:
Getting sent to anti gay christian covestion camp in a few weeks, any tips. guys i think im cooked.
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
DoltonCarlee:
So like do y'all know anything about the first world war?
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
7 seconds ago
0 Replies
0 Medals
4 hours ago
10 Replies
2 Medals
2 days ago
6 Replies
1 Medal
3 days ago
0 Replies
0 Medals
3 days ago
2 Replies
1 Medal
2 days ago
2 Replies
0 Medals
2 days ago
5 Replies
2 Medals