maggmika4kate
maggmika4kate maggmika4kate
  • 13-07-2016
  • Mathematics
contestada

Simplify the given expression.. (-3 + 2i) • (2 + i) . . a. -8 + i. b. -6 + 3i. c. -3 + 4i. d. -1 + 2i.

Respuesta :

caylus
caylus caylus
  • 13-07-2016
Hello,

(-3+2i)(2+i)=-6+4i-3i-2=-8+i

Answer A
Answer Link
taskmasters
taskmasters taskmasters
  • 16-07-2016
We are given the expression;

 (-3 + 2i) • (2 + i) 

To solve, we need to follow the rule for the basic operations which is PEMDAS.

We first distribute the terms in the parentheses.
 (-3 + 2i) • (2 + i) = -6-3i + 4i - 2 = -8 + i

Therefore, the correct answer is option A.
Answer Link

Otras preguntas

For which of acute angle are the sine of the angle and cosine of the angle equal
If you want to find the force needed to pull a small car up a ramp, it would be best to use.. a. A spring scale b. A formula c. An electronic balance d. A tripl
Find area make you brainlist
Solve for x. −1/2(x+2) + 1 1/2x = 3 A. x=1 ​ B. ​x=2 ​ C. ​x=4 ​ D. x=5
-13 = r/9 + 8solve for r.
How does the structure of the corn leaf differ from that of the dicot leaf?
In paragraph 4, when the author mentions the sun’s heavy eyelids, this is an example of A) alliteration. B) foreshadowing. C) onomatopoeia. D) personification.
Titanium has five common isotopes: 46Ti (8.0%), 47Ti (7.8%), 48Ti (73.4%), 49Ti (5.5%), 50 Ti (5.3%). What is the average atomic mass of titanium?
Sarah performs an experiment to see whether bees prefer red flowers are yellow flowers look at the table of results from the experiment what is the independent
if 6 to the second power x =1 what is the value of x