rania5913 rania5913
  • 15-12-2018
  • Mathematics
contestada

If x= -5+6i and y= 3-2x, then which of the following is the value of the expression 4x-y

Respuesta :

gmany
gmany gmany
  • 19-12-2018

[tex]y=3-2x\\\\4x-y=4x-(3-2x)=4x-3+2x=6x-3\\\\\text{Put}\ x=-5+6i\ \text{to the expression}\ 6x-3:\\\\6(-5+6i)-3\qquad\text{use distributive property}\\\\=(6)(-5)+(6)(6i)\\\\=-30+36i\\\\Answer:\ \boxed{4x-y=-30+36i}[/tex]

Answer Link

Otras preguntas

An example of a vestigial structure is the a. kangaroo pouch. b. human tail bone. c. cat forelimb. d. all of the above
If the radius of a circle is increased by 50 %, what will be the percent increase in the circumference of the circle? (Circumference 2*pi *r)
Which word correctly completes the sentence? All around the attic we found many __________ nests.   A.
Which word correctly completes the sentence? Did you notice the area of bare skin on those __________ faces?
Which of the following is NOT a benefit of flexibility training? -Allows greater freedom of movement and improved posture -Releases muscle tension and soreness
What is guttan morgan in germany?
Which word correctly completes the sentence? My oldest __________ coin collection includes some rare and valuable items.         A. brothers       B.
What division problem gets you the answer of PI?
5a+2a(5+—b)= please i need help
the combined alleles of all the individuals in a population are called the ?