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alexandr1967 [171]
3 years ago
8

-7^-2does anyone know ?

Mathematics
2 answers:
Leno4ka [110]3 years ago
8 0

Negative exponents mean that you flip the number upside down

so -7^-2 would become 1/-7^2

-7^2 would be 49

so the answer is <em>1/49</em>

Lelu [443]3 years ago
5 0
That simply means this:

- \frac{1}{ {7}^{2} }

Which is:

- \frac{1}{49}
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The equation of the parabola that similar to f(x) = 7x^2 but the vertex is (3, 5) in the standard form is y = 7(x-3)^2 + 5

The equation of the parabola

f(x) = 7x^2

The standard vertex form of a parabola is

y = a(x-h)^2 + k

The coordinates of the vertex of a parabola = (3, 5)

Where (h, k)  is the coordinates

From the given function of the parabola f(x) =  7x^2

The value of a = 7

Substitute the values in the vertex form of a parabola

y = 7(x-3)^2 + 5

Hence, the equation of the parabola that is similar to f(x) = 7x^2 but the vertex is (3, 5) in the standard form is y = 7(x-3)^2 + 5

Learn more about vertex form here

brainly.com/question/25012059

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Step-by-step explanation:

Solution,

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