Sunday

February 1, 2015

February 1, 2015

Posted by **melba** on Monday, March 5, 2012 at 10:35am.

- algebra2 -
**MathMate**, Monday, March 5, 2012 at 5:20pmWhen there is a division (denominator), multiply top and bottom by the conjugate of the denominator.

-9+8i

-----

1+2i

(-9+8i)(1-2i)

=---------------

(1+2i)(1-2i)

(-9+16+8i+18i)

=----------------

(1+4-2i+2i)

(7+26i)

=---------

(5)

=7/5 + (26/5)i

**Answer this Question**

**Related Questions**

math - Simplify the following quotient of complex numbers into the form a + bi...

intermediate algebra - Simplify the following quotient of complex numbers into ...

Math - Can someone please help me with these two. What is the quotient (6-x)/(x^...

math-complex numbers - Sketch the sets of complex numbers in the complex plane ...

Pre-cal - The equation of the line joining the complex numbers -5 + 4i and 7 + ...

math - Simplify the following product of complex numbers. (8 + i) • (-4 – 3i)

algebra2-imaginary numbers - You can add or subtract complex numbers by treating...

intermediate algebra - Simplify the following product of complex numbers (-10+3i...

Algebra II - Find the difference quotient for the following Rational Function f(...

Complex numbers - quadratic formula - Let a and b be real numbers. The complex ...