Mathematics: Enter the function f(x)=x^2 -7-18, in the form f(x)=a(x-h)^2 +k, where a, h, k are constants

Enter the function f(x)=x^2 -7-18, in the form - id27185510182, acaciafiedler2003

Ответ:

GreenHerbz206

21.01.2022

Mathematics

f(x) = x² - 7x - 18

f(x) = a(x-h)² + k

= a(x² - 2xh + h²) + k

= ax² - 2hx + h² + k

a = 1

-7x = -2hx

7 = 2h

(7/2) = h

h² + k = -18

(7/2)² + k = -18

(49/4) + k = -18

k = -18 - (49/4)

k = -18 - 12,25

k = -30,25

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Ответ:

alexbrafford

27.07.2020

Mathematics

I am not exactly for sure but I think it is $2,080.

1,000 times 0.6 equals 60. 60 times 18 equals 1,080. $1,000 plus $1,800 equals $2,800.

I really hope this helps you:)

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Enter the function f(x)=x^2 -7-18, in the form f(x)=a(x-h)^2 +k, where a, h, k are constants

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