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Put the quadratic into vertex form and state the coordinates of the vertex.

y=x^(2)+14 x+22
Vertex Form: 
y=
Vertex: 
(◻,◻)

Put the quadratic into vertex form and state the coordinates of the vertex.\newliney=x2+14x+22 y=x^{2}+14 x+22 \newlineVertex Form: y= y= \newlineVertex: (,) (\square, \square)

Full solution

Q. Put the quadratic into vertex form and state the coordinates of the vertex.\newliney=x2+14x+22 y=x^{2}+14 x+22 \newlineVertex Form: y= y= \newlineVertex: (,) (\square, \square)
  1. Identify Vertex Form: Identify the vertex form of a parabola. The vertex form of a parabola is given by y=a(xh)2+ky = a(x - h)^2 + k, where (h,k)(h, k) is the vertex of the parabola.
  2. Complete the Square: Complete the square to transform the given quadratic equation y=x2+14x+22y = x^2 + 14x + 22 into vertex form.\newlineFirst, we need to factor out the coefficient of the x2x^2 term if it is not 11. In this case, it is already 11, so we can proceed to the next step.
  3. Find Half Coefficient Square: Find the square of half the coefficient of the xx term to complete the square.\newlineThe coefficient of the xx term is 1414, so half of it is 77. Squaring 77 gives us 4949.
  4. Add/Subtract to Complete Square: Add and subtract the square of half the coefficient of xx inside the equation.\newliney=x2+14x+4949+22y = x^2 + 14x + 49 - 49 + 22\newlineThis allows us to form a perfect square trinomial while keeping the equation balanced.
  5. Rewrite Equation in Vertex Form: Rewrite the equation grouping the perfect square trinomial and combining the constants.\newliney=(x2+14x+49)27y = (x^2 + 14x + 49) - 27\newliney=(x+7)227y = (x + 7)^2 - 27\newlineNow the equation is in vertex form.
  6. Identify Parabola Vertex: Identify the vertex of the parabola using the vertex form. The vertex form is y=(x+7)227y = (x + 7)^2 - 27, so the vertex (h,k)(h, k) is (7,27)(-7, -27).

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