TravianF727537 TravianF727537
  • 25-10-2022
  • Mathematics
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Consider the following equation of a parabola.(y- 7)? = -4(x - 3)Step 1 of 3: Find the focus of the parabola.

Consider the following equation of a parabolay 7 4x 3Step 1 of 3 Find the focus of the parabola class=

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NomiF585265 NomiF585265
  • 25-10-2022

Answer

Focus = (2, 7)

Explanation

Given:

The following is the equation of a parabola

[tex](y-7)^2=-4x(x-3)[/tex]

What to find:

To find the focus of the parabola.

Step-by-step solution:

The general equation of a parabola can be given as,

[tex](y-k)^2=4p(x-h)[/tex]

Comparing the general equation of a parabola with the given equation of a parabola, we have

4p = -4

∴ p = -4/4 = -1

Also,

h = 3

k = 7

Since h ± c = F

We have,

3 - 1 = 2

Therefore, the focus will be (h ± c, k) = (2, 7)

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