Complete the following exercises by applying polynomial identities to complex numbers.
1 answer:
Answer:
(a)
(b)
(c)
(d)
(e)
Step-by-step explanation:
(a)
we are given
we can also write as
now, we can use factor formula
we get
(b)
we are given
we can also write as
now, we can use factor formula
we get
(c)
we can use formula
so, we can write as
we can simplify it
and we get
(d)
we can use formula
so, we can write as
we can simplify it
and we get
(e)
we can distribute
so, we can write as
now, we can simplify it
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Answer- 78
Step-by-step explanation:
<span>Evaluate for x = 2.
Is it divide by 4?
if so then
Answer is D. 8
(12x + 8) /4
=[12 (2) + 8 ]/4
=[ 24 + 8 ]/4
=32/4
=8</span>
If x=15 then x=30 if y=6 then y=12
Answer:
1. x < −6
2. x < 3.2
3. x < 4
4. x>12.5
5. ? there is no "<, >" sign
6. b<5
7. z<−2.1
pls give brainliest
Step-by-step explanation:
see photos for explanation
Answer:
k = 9/8
y = 9/8x
Step-by-step explanation:
45/40 = 9/8
To check:
40 * 9/8 = 45
Hope this helps!