(-6 - 5i)(1 - 3i)
you foil this like you would any other set of binomials, so you'll multiply negative 6 and 1, then -5i and 1, etc:
-6 - 5i + 9i - 15
5i and 3i simplify to -15 because 5*3 is 15, and i*i = -1
then you just add like terms:
-21 - 5i + 9i
-21 + 4i is your answer.
Answer:
y = 3x-16
Step-by-step explanation:
two points where the line goes through is (5,-4) as mentioned and (0,-16)
Answer:
C
Step-by-step explanation:
according to the standard equation;
Y=mX+C
or, Y=4/5X +3
4 + 10 = 2 x 2 + 2 x 5 = 2 x (2 + 5)