Ask
your own question, for FREE!

Mathematics

OpenStudy (anonymous):

What are the methods in solving a quadratic equation by completing the squares?

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

ask satellite..it's his fave topic

OpenStudy (anonymous):

very funny

OpenStudy (anonymous):

would you like to do an example? \[x^2+6x-2=0\] \[x^2+6x=2\] \[(x+3)^2=2+3^2=2+9=11\] \[x+3=\pm\sqrt{11}\] \[x=-3\pm\sqrt{11}\]

OpenStudy (anonymous):

OpenStudy (anonymous):

if you repeat the method with \[ax^2+bx+c=0\] you get \[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

Totally forgot that this is how you get the last formula :-) Good to come here

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

blablablablabla12:
Which of these statements are true? In the center section of the menu, only one item can be selected at a time.

38 minutes ago
0 Replies
0 Medals

khanm:
A portable electric water heater transfers 255 watts (W) of power to 5.5 L of water, where 1 W = 1 J/s.

1 hour ago
0 Replies
0 Medals

ngrace889:
Which of the following statements about the idea of combining secular government

1 hour ago
0 Replies
0 Medals

lexiswheel:
In this excerpt from Phillip Freneau's poem u201cAmerican Liberty,u201d the speaker describes being u201cslaves and minions to a parliament.

1 hour ago
0 Replies
0 Medals

kevinsetiawanw:
A mixture of 1.00 mol of nitrogen, 3.00mol of hydrogen and 1.98mol of ammonia is allowed to reach equilibrium in a sealed vessel under certain conditions.

2 hours ago
0 Replies
0 Medals

Mtz2002:
What is one way in which the poem "The Jelly-Fish" by Marianne Moore embodies Ezr

3 hours ago
0 Replies
0 Medals

franny:
Things not to put in chats 1. drama 2.bypass bad words 3.hurtful things 4.personal things 5.

1 hour ago
6 Replies
2 Medals