anonymous
  • anonymous
can someone help me with complex numbers and the quadratic equaion
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
jamiebookeater
  • jamiebookeater
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
chaise
  • chaise
I'd love to - do you want help with anything specific, or just something broad?
anonymous
  • anonymous
i don't get multiplying and dividing complex numbers
chaise
  • chaise
You can simply use foil to multiply complex numbers together. When you divide it's a little bit more tricky, you need to multiply by the conjugate of the denominator. Maybe try watching this video :) This guy is good. http://www.youtube.com/watch?v=KPSj4-76eEc

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

anonymous
  • anonymous
my math teacher said i need to study quadratic equation before my test tomorrow
chaise
  • chaise
http://www.youtube.com/watch?v=iulx0z1lz8M It's not too difficult, and really easy to pickup :)
anonymous
  • anonymous
These are good videos about complex numbers: http://www.khanacademy.org/video/complex-numbers--part-1?playlist=Algebra http://www.khanacademy.org/video/complex-numbers--part-2?playlist=Algebra And this is for the quadratic formula: http://www.khanacademy.org/video/introduction-to-the-quadratic-equation?playlist=Algebra
anonymous
  • anonymous
Correction: http://www.khanacademy.org/video/quadratic-equation-part-2?playlist=Algebra
anonymous
  • anonymous
on a recent quiz i got this problem wrong find the product: (3+6i)(4-7i) and i got 7-i.
chaise
  • chaise
You need to use foil, seems to me you added like-terms. You need to foil. You should get: 54+3i You should watch them videos.
anonymous
  • anonymous
\[12-21i+24i-42i^2\] \[12-21i+24i+42\] 54+3i \[i^2\] becomes -1.

Looking for something else?

Not the answer you are looking for? Search for more explanations.