Ask
your own question, for FREE!
Mathematics
13 Online
Quadratic Equation 1.)(2/x)^2-4=7 2.)1/2x+3/2x^2-5=4
Still Need Help?
Join the QuestionCove community and study together with friends!
and the question is...?
identify A,B,C,
\[\left(\frac{2}{x}\right)^2-4=7\]\[\frac{4}{x^2}=11\]\[4=11x^2\]\[11x^2-4=0\] now your first equation is of the form \[ax^2+by+c=0\] you can apply the quadratic formula \[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]
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
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)=
11 hours ago
8 Replies
1 Medal
1 day ago
6 Replies
1 Medal
2 days ago
0 Replies
0 Medals
2 days ago
2 Replies
1 Medal
1 day ago
2 Replies
0 Medals
1 day ago
5 Replies
2 Medals