Locate the Vertex of the Parabola: y = (x + 7)² + 15

Find the vertex of the parabola

y=(x+7)2+15 y=(x+7)^2+15

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Step-by-step video solution

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00:00 Find the vertex of the parabola
00:03 We'll use the formula to describe a parabolic function
00:08 The coordinates of the vertex are (P,K)
00:18 We can see that according to the formula P is negative
00:23 We'll use this formula to find the vertex point
00:29 We'll substitute appropriate values according to the given data
00:35 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Find the vertex of the parabola

y=(x+7)2+15 y=(x+7)^2+15

2

Step-by-step solution

To solve the problem, we follow these steps:

  • Step 1: Recognize the form of the equation. The equation is given as y=(x+7)2+15 y = (x+7)^2 + 15 , which is in vertex form.
  • Step 2: Identify the vertex from the equation. The vertex form of a parabola is y=(xh)2+k y = (x-h)^2 + k , where the vertex is (h,k)(h, k).
  • Step 3: Determine the values of hh and kk. Here, (x+7)(x+7) means that h=7h = -7 (notice the sign change), and the constant +15+15 is k=15k = 15.

By recognizing the form of the equation and substituting the values, the vertex of the parabola is (7,15)(-7, 15).

3

Final Answer

(7,15) (-7,15)

Practice Quiz

Test your knowledge with interactive questions

The following function has been graphed below:

\( f(x)=x^2-6x \)

Calculate point C.

CCCAAABBB

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