F(x) = x^2 + x + 1
f(x) = x^2 + x + 1/4 + 1 - 1/4
f(x) = (x + 1/2)^2 + 3/4
Answer:
First question: (0, 1) (-4, 0)
Step-by-step explanation:
FIRST QUESTION:
y=3x+1
y=x-7
In the first equation of the first question, (y=3x+1) the 3 represents the slope and the 1 represents the y-intercept. Therefore, your first coordinate is (0, 1).
To figure out the second coordinate, do this:
Substitute y for x-7
x-7=3x+1
Combine like terms
x=3x+8
-3x+x=8
-2x=8
Divide the entire equation by -2
x=-4
Therefore, your second coordinate is (-4, 0).
SECOND QUESTION:
I am really sorry, I can't see the second question very well. It's a little too blurry and I have bad eyesight.
Hope this helps a little.
The answer is 159. You can just add three to the measurements and then subtract the original shape.
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There are 12 inches in a foot. You would have to multiply 2.54 by 12 and get 30.48 centimeters. in a yard there are 3 feet which means there are 36 inches. You would multiply 36 by 2.54 and get 91.44 centimeters.
