Question
Find the axis of symmatry Find the vertexy \( y=x^{2}+6 x+5 \)
Ask by Love Lawson. in the United States
Feb 03,2025
Real Tutor Solution
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Answer
The axis of symmetry is \( x = -3 \) and the vertex is at \( (-3, -4) \).
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The Deep Dive
To find the axis of symmetry for the quadratic function \( y = x^2 + 6x + 5 \), you can use the formula \( x = -\frac{b}{2a} \). Here, \( a = 1 \) and \( b = 6 \). Plugging these values in gives you \( x = -\frac{6}{2 \cdot 1} = -3 \). Thus, the axis of symmetry is \( x = -3 \). To find the vertex, substitute \( x = -3 \) back into the original equation. This gives you \( y = (-3)^2 + 6(-3) + 5 = 9 - 18 + 5 = -4 \). Therefore, the vertex is at the point \( (-3, -4) \).