Given that x = -2 - 3i and y = 4 + 2i , Match The Expressions.
2 answers:
Answer:
Step-by-step explanation:
Given:
---
1st problem:
Distribute:
Combine like terms:
---
2nd problem:
Distribute -3 to first factor:
Use foil to simplify:
Replace with -1:
Combine like terms:
---
3rd problem:
Distribute 2 to the second factor:
Use foil to simplify:
Replace with -1:
Combine like terms:
----
4th problem:
Distribute:
Combine like terms:
Simplify:
Answer:
3y - 2x --> 16 + 12i
-3x · y --> 6 + 48i
x · 2y --> -4 - 32i
x - y --> -6 - 5i
Step-by-step explanation:
Work each one out.
<u>3y - 2x</u>
3(4 + 2i) - 2(-2 - 3i)
12 + 6i + 4 + 6i
16 + 12i
<u>-3x · y</u>
-3(-2 - 3i) · (4 + 2i)
(6 +9i) · (4 + 2i)
24 + 12i + 26i - 18
6 +48i
<u>x · 2y</u>
(-2 - 3i) · 2(4 + 2i)
(-2 - 3i) · (8 + 4i)
-16 - 8i - 24i +12
-4 - 32i
<u>x - y</u>
(-2 - 3i) - (4 + 2i)
-6 - 5i
You might be interested in
Answer:
54
Step-by-step explanation:
Answer:a and d
Step-by-step explanation:
i did it
Answer: a. f(n+1) = f(n) + 20
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
To find the rate of increase all you have to do is take one of the data sets to see that every two months its charge time increases by 15 minutes or 7.5 minutes every month.
Hey there!
Let's find out!
: 1,2,4,5,10,20
1,2,3,4,6,8,12,24
: 4