Ask
your own question, for FREE!
Mathematics
12 Online
Graph the vertex:
Still Need Help?
Join the QuestionCove community and study together with friends!
\[y=-x^2-2x\]
I want to guess and say it's about.... (-1,-1) or so?
first coordinate of the vertex is \[-\frac{b}{2a}\] in your case it is \[-\frac{-2}{2\times (-1)}=-1\]
replace x by -1 get \[y=-(-1)^2-2\times (-1)=-1+2=1\]
(1,-1)
Still Need Help?
Join the QuestionCove community and study together with friends!
Why wouldn't the y be +1 and the x be -1?
1
Yea... I think it's just (1,-1)
Er (-1,1)*
(1,-1)
Still Need Help?
Join the QuestionCove community and study together with friends!
Explain yourself please. :I
gt sme numbers and apply them to the equation and see..
*shurgs* I did... I got (-1,1)...
yeah (1-,1)
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
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
Maci:
what are the best stock apps for people who want to start investing?
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
5 hours ago
1 Reply
0 Medals
4 days ago
3 Replies
2 Medals
1 week ago
3 Replies
0 Medals
2 days ago
9 Replies
1 Medal
1 week ago
2 Replies
1 Medal