Answer:
1. Slope is -3
2. 85 meters high
3. y=60x
4. There are no solutions (C)
5. B Lana saves better at 40 dollars weekly while Elena saves 37 per week
Step-by-step explanation:
Answer:
a, b
Explanation:
For a, pi is irrational.
For b, sqrt(24) is not a perfect square and therefore irrational.
For c and d, there are no irrational numbers.
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Answer:
nope sorry
Step-by-step explanation:
Answer:
Step-by-step explanation:
Complex numbers:
The following relation is important for complex numbers:
Zeros of a function:
Given a polynomial f(x), this polynomial has roots 
such that it can be written as: 
, in which a is the leading coefficient.
Has zeros −19 and −i
If -i is a zero, its conjugate i is also a zero. So
Output of 40 when x=1
This means that when 
. We use this to find the leading coefficient a. So
The polynomial is:
Answer:
Letter c
Step-by-step explanation:
You are distributing the 7 to each term in the parentheses.
7(8x) is 56 x
Here is the tricky part. You can think of it a couple of ways:
7(-4y) = -28y a positive times a negative is a negative.
or 7(4y) = 28 , but then remember that you are subtracting so it will become -28
7(6) = 56
56x - 28y +42
