Verified Answer :
Answer:
\(y=6(x+1)^{2}-16\)
Step-by-step explanation:
we know that
The equation of a vertical parabola in vertex form is equal to
\(y=a(x-h)^{2}+k\)
where
(h,k) is the vertex of the parabola
In this problem we have
\(y=6x^{2}+12x-10\)
Convert to vertex form
Group terms that contain the same variable, and move the constant to the opposite side of the equation
\(y+10=6x^{2}+12x\)
Factor the leading coefficient
\(y+10=6(x^{2}+2x)\)
Complete the square. Remember to balance the equation by adding the same constants to each side
\(y+10+6=6(x^{2}+2x+1)\)
\(y+16=6(x^{2}+2x+1)\)
Rewrite as perfect squares
\(y+16=6(x+1)^{2}\)
\(y=6(x+1)^{2}-16\) -------> equation in vertex form
The vertex is the point \((-1,-16)\)
The equation y = 6x2 + 12x – 10 can be written in vertex form as; y = 6(x + 1)² - 16.
To re-write the equation y = 6x² + 12x – 10 in vertex form, the completing the square method is used as follows;
- y = 6x² + 12x – 10
First, we isolate x- terms and factorise;
- y + 10 = 6(x² + 2x)
- y + 10 + 6 = 6 (x² + 2x + 1)
By rewriting as perfect squares: we have
- y + 16 = 6(x + 1)²
Consequently, the equation in vertex form is;
- y = 6(x + 1)² - 16
The vertex is therefore given by coordinates; (-1,-16).
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