Answer:
a = 1, b = 1
Step-by-step explanation:
Expand the right side and compare the coefficients of like terms on both sides, that is
right side
(x - a)² + b ← expand factor using FOIL
= x² - 2ax + a² + b
Compare to left side x² - 2x + 2
Compare the coefficients of the x- term
- 2a = - 2 ( divide both sides by - 2 )
a = 1
Compare the constant terms
a² + b = 2 ( substitute a = 1 )
1² + b = 2
1 + b = 2 ( subtract 1 from both sides )
b = 1
Thus a = 1, b = 1
Answer:
D and C
Step-by-step explanation:
Step-by-step explanation:
Go from the negetive number to 0 to the positive number. -116 to 0 is 116. Then, 0 to 131 is 131. Do 116+131 then you will find your answer.
Hope this helps.
The linear equations are:
- The price of oil from 1990: y = 30 + 5x
- The price of oil from 2005: y = 20 + 2.25x
<h3>How to determine the linear equations</h3>
A linear equation is represented as: y = mx + c
Where:
- m represents the rate
- c represents the initial value.
At the beginning of 1990, we have the following parameters
- Rate: m = 5
- Initial value: c =30
So, the linear equation is:
y = 30 + 5x
At the beginning of 2005, we have the following parameters
- Rate: m = 2.25
- Initial value: c =20
So, the linear equation is:
y = 20 + 2.5x
Hence, the linear equations are y = 30 + 5x and y = 20 + 2.5x
Read more about linear equations at:
brainly.com/question/14323743
Answer:
Hard to calculate first one is -1/2
Next one is 2.5/1.5 or 2 its hard to tell because of line (not clear)
Next one is -1/2 I think the numbers are small.
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