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AnnyKZ [126]
3 years ago
12

Help for brainliest

Mathematics
1 answer:
BigorU [14]3 years ago
7 0
Zeros: x = 2, x = 4

Turning point: (halfway between the zeros) x = 3, y = -1

y-intercept: where x=0, at f(0) = 8.

Axis of symmetry: the vertical line through the turning point: x = 3.

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You must factor.

x^2-1=(x+1)(x-1)

The factored form is equal to the assigned form.

(x+1)(x-1)=(x+a)(x-b)

Values a, b correspond to the factored 1, -1.

Value of x however remains unknown. But we can change that.

Given factored result,

(x+1)(x-1)

We can set expression equal to 0 then find such x that when added with number a or b results with 0.

(x+1)(x-1)=0

Hence x has 2 solutions.

x+1=0\Rightarrow\boxed{x_1=-1} \\x-1=0\Rightarrow\boxed{x_2=1}

Hope this helps.

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3 years ago
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