3. Find the coordinates for the three bases and graph them below: (3 points: 1 point for each base)
1 answer:
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9514 1404 393
Answer:
a (3,-1)
Step-by-step explanation:
The number that "completes the square" is the square of half the x-coefficient, (-6/2)^2 = 9. Rearranging the given function to include the square trinomial, we have ...
f(x) = x^2 -6x +9 -1 . . . . . . . here, we have 8 = 9 - 1
f(x) = (x -3)^2 -1 . . . . . . . . . . vertex form
Comparing this to the generic vertex form ...
f(x) = (x -h)^2 +k . . . . . . . vertex at (h, k)
we see that h=3 and k=-1.
The vertex is (h, k) = (3, -1).
Answer:
2.5 gallons
Step-by-step explanation:
Make the denominators of the fractions the same and combine them
Then simplify the fraction
Then subtract how many gallons you have from how many you want
You will need 2.5 gallons to make 3 gallons