What is the vertices y=x^2+4x+3 ?

The vertices y=x^2+4x+3 is Minimum (-2,-1)

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vertices y=x^2+4x+3

vertices

y = x^{2} + 4 x + 3

Minimum (- 2, - 1)

Solution steps

y = x^{2} + 4 x + 3

The parabola parameters are:

a = 1, b = 4, c = 3

x_{v} = - \frac{b}{2 a}

x_{v} = - \frac{4}{2 \cdot 1}

Simplify

x_{v} = - 2

Plug in

x_{v} = - 2

to find the

y_{v}

value

y_{v} = - 1

Therefore the parabola vertex is

(- 2, - 1)

a < 0,

then the vertex is a maximum value

a > 0,

then the vertex is a minimum value

a = 1

Minimum (- 2, - 1)

y = x^{2} - 10 x + 7

y = 92 x^{2}

y = x^{2} - 2 x - 35

x^{2} + 7 x + 12

f (x) = 4 x^{2} - 8 x + 3