What is the line of symmetry for the parabola whose equation is y = x2 - 12x + 7?
1 answer:
Answer:
x = 6
Step-by-step explanation:
Please write this as y = x^2 - 12x + 7 to indicate the exponentiation.
The coefficients of these three terms are a, b and c: 1, -12 and 7.
The equation of the axis (line) of symmetry is
-b -(-12)
x = --------- = ----------- = 6
2a 2(1)
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