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ValentinkaMS [17]
3 years ago
12

The graph showsf(x)and its transformationg(x). Which equation correctly modelsg(x)?

Mathematics
1 answer:
Ymorist [56]3 years ago
7 0

Answer:

its the second one

Step-by-step explanation:

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x=40

Step-by-step explanation:

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3. Raphael bought 14 pounds of meat to make hamburgers at the Fourth of
Svetradugi [14.3K]
Raphael needs 9 packages of buns
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3 years ago
Please Please help asap!!! Thank you
natali 33 [55]

Step-by-step explanation:

well, the starting equation and the target format have been given.

let's do the multiplications and compare the target with the starting information.

from there we see what is different or missing.

x² + 14x + 13 = 0

and

(x - p)² = q

x² - 2px + p² = q

x² - 2px + (p² - q) = 0

now let's compare the different parts :

x² = x²

-2px = 14x

-2p = 14

p = -7

p² - q = 13

-7² - q = 13

49 - q = 13

36 - q = 0

q = 36

so, the square (x - p)² = (x + 7)² is completed when

x² + 14x + 49 = 0

but we have only "+ 13". so we need to add 36 to get 49. but we need to do it on both sides, to keep the equation true :

x² + 14x + 13 + 36 = 36

x² + 14x + 49 = 36

(x + 7)² = 36

just as we calculated already above.

and now this can be solved by pulling the square root on both sides (a quadratic equation has always 2 solutions)

x + 7 = ±6

x1 = 6 - 7 = -1

x2 = -6 - 7 = -13

3 0
1 year ago
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