What type of number is 3-77i

Option 3 - complex number    

Step-by-step explanation:

Given : Number

To find : What type of number is given ?

Solution :

Real numbers include all rational and irrational numbers.

Pure Imaginary number includes only imaginary term i.e. i

Complex number is the combination of real and imaginary number.

We have given, Number  

Where, 3 is the real number and 77i is imaginary number.

So, The number is a complex number.

Therefore, Option 3 is correct.

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option