Mathematics: Which of the following functions has a zero at x=-2 a. f(x)=(x+2)^2 -5 b. f(x)=x^2 -6x+8 c. f(x)=(x-2)^2 +1 d. f(x)=x(x+2)

Which of the following functions has a zero at

Ответ:

DrGeneric

09.01.2022

Plug in -2 for x for every function and set every function to 0. If it equals 0 then there's a "zero" at x=-2

Example A: 0 = (-2+2)^2 - 5 = 0 - 5 = -5 <-- This does not = 0 so it's not the answer

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Ответ:

AleciaCassidy

29.11.2022

Mathematics

176 in The area of the first square is 44 and you want to find the second square you will have to do 44*4=176

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Which of the following functions has a zero at x=-2

a. f(x)=(x+2)^2 -5
b. f(x)=x^2 -6x+8
c. f(x)=(x-2)^2 +1
d. f(x)=x(x+2)

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